1
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Kamal MAM, Atef M, Khalf MA, Ahmed ZAM. Newcastle viral disease causation web correlations with laying hen productivity. Sci Rep 2024; 14:16021. [PMID: 38992055 PMCID: PMC11239807 DOI: 10.1038/s41598-024-65854-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 06/25/2024] [Indexed: 07/13/2024] Open
Abstract
Environmental conditions profoundly impact the health, welfare, and productivity of laying hens in commercial poultry farming. We investigated the association between microclimate variations, production indices, and histopathological responses to accidental Newcastle disease virus (NDV) infection within a controlled closed-house system. The study was conducted over seven months in a laying hen facility in Cairo, Egypt. Microclimate measurements included temperature, relative humidity (RH%), air velocity (AV), and the temperature humidity index (THI) that were obtained from specific locations on the front and back sides of the facility. Productivity indices, including the egg production percentage (EPP), egg weight (EW), average daily feed intake, and feed conversion ratio, were assessed monthly. During an NDV outbreak, humoral immune responses, gross pathology, and histopathological changes were evaluated. The results demonstrated significant (p < 0.05) variations in EPP and EW between the front and back sides except in April and May. AV had a significant (p = 0.006) positive effect (Beta = 0.346) on EW on the front side. On the back side, AV had a significant (p = 0.001) positive effect (Beta = 0.474) on EW, while it negatively influenced (p = 0.027) EPP (Beta = - 0.281). However, temperature, RH%, and THI had no impact and could not serve as predictors for EPP or EW on either farm side. The humoral immune response to NDV was consistent across microclimates, highlighting the resilience of hens. Histopathological examination revealed characteristic NDV-associated lesions, with no significant differences between the microclimates. This study underscores the significance of optimizing microclimate conditions to enhance laying performance by providing tailored environmental management strategies based on seasonal variations, ensuring consistent airflow, particularly near cooling pads and exhaust fans, and reinforcing the importance of biosecurity measures under field challenges with continuous monitoring and adjustment.
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Affiliation(s)
| | - Mohamed Atef
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - M A Khalf
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Zakia A M Ahmed
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
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2
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Attia Y, Al sagan AA, Hussein ESO, Olal MJ, Ebeid TA, Alabdullatif AA, Alhotan RA, Suliman GM, Qaid MM, Tufarelli V, Shehta HA, Ragni M. Egg Quality, Sensory Attributes, and Protein Metabolites of Laying Hens Fed Whole Flaxseed, Fish Oil, and Different Sources of Trace Elements. J Poult Sci 2024; 61:2024021. [PMID: 38938590 PMCID: PMC11196889 DOI: 10.2141/jpsa.2024021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Accepted: 06/04/2024] [Indexed: 06/29/2024] Open
Abstract
This study evaluated the effects of whole flaxseed (WFS), fish oil (FO), and different sources of Se, Zn, and Fe (inorganic, organic, and nano-source) on egg production, quality, sensory attributes, and serum protein metabolites in laying hens. A total of 144 hens were divided into six groups with six replicates of four hens each. Hens were fed six diets as follows: 1) control diet; 2) 7.5%WFS+1.5%FO; 3) 7.5%WFS+1.5%FO+175 mg/kg vitamin E (VE); 4) 7.5%WFS+1.5%FO+175 mg/kg VE + inorganic sources of Se, Zn, and Fe (ISeZnFe); 5) 7.5%WFS+1.5%FO+175 mg/kg VE + organic sources of Se, Zn, and Fe (OSeZnFe); 6) 7.5%WFS+1.5%FO+175 mg/kg VE + nano-source of Se, Zn, and Fe (NSeZnFe) from 40-50 weeks of age. Laying hens fed 7.5% WFS, 1.5% FO, and different sources of trace elements in their diets had no negative effects on laying rate, egg weight, egg mass, feed intake, feed conversion ratio, body weight change, or survival rate compared to that of hens fed the control diet. Dietary treatments did not negatively affect the external and internal egg characteristics or egg sensory attributes. Feeding 7.5%WFS+1.5%FO+VE+ISeZnFe positively influenced yolk color in fresh eggs. Dietary treatments had a significant impact on egg nutritional composition, with the highest levels of macronutrients found in eggs from hens fed the 7.5%WFS+1.5%FO+VE+NSeZnFe treatment. The highest plasma globulin concentrations were observed in hens fed organic and nano-source trace elements. The same diets reduced plasma uric acid levels. Based on these findings, the inclusion of organic or nano-source trace minerals in diets containing WFS and FO positively affected egg quality and hen protein metabolites.
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Affiliation(s)
- Youssef Attia
- Animal and Poultry
Production Department, Faculty of Agriculture,
Damanhour University, Damanhour 22713, Egypt
| | - Ahmed A. Al sagan
- King Abdulaziz
City for Science and Technology, Riyadh 12354,
Saudi Arabia
| | - El-Sayed O.S. Hussein
- Department of
Animal Production, College of Food and
Agricultural Sciences, King Saud University,
Riyadh 11451, Saudi Arabia
| | - Marai J. Olal
- Admin & Animal
Nutrition Technical Services, Danisco Animal
Nutrition and Health (IFF), Riyadh 11451, Saudi
Arabia
| | - Tarek A. Ebeid
- Department of
Poultry Production, Faculty of Agriculture,
KafrEl-Sheikh University, KafrEl-Sheikh 33516,
Egypt
| | - Abdulaziz A. Alabdullatif
- Department of
Animal Production, College of Food and
Agricultural Sciences, King Saud University,
Riyadh 11451, Saudi Arabia
| | - Rashed A. Alhotan
- Department of
Animal Production, College of Food and
Agricultural Sciences, King Saud University,
Riyadh 11451, Saudi Arabia
| | - Gamaleldin M. Suliman
- Department of
Animal Production, College of Food and
Agricultural Sciences, King Saud University,
Riyadh 11451, Saudi Arabia
| | - Mohammed M. Qaid
- Department of
Animal Production, College of Food and
Agricultural Sciences, King Saud University,
Riyadh 11451, Saudi Arabia
| | - Vincenzo Tufarelli
- Department of
Precision and Regenerative Medicine and Jonian
Area (DiMePRe-J), Section of Veterinary Science
and Animal Production, University of Bari ‘Aldo
Moro’, Bari 70010, Italy
| | - Heba A. Shehta
- Regional Center
for Food and Feed, Agricultural Research Center,
Giza 12619, Egypt
| | - Marco Ragni
- Department of
Soil, Plant and Food Science, University of Bari
‘Aldo Moro’, Bari 70125, Italy
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Xu LN, Gao J, Yao JW, Jiao HC, Wang XJ, Lin H, Zhao JP. Dynamic responses of systemic immunity and splenic inflammation to long-term cyclic high-temperature exposure in growing pullets and laying hens. Poult Sci 2024; 103:104014. [PMID: 39032308 DOI: 10.1016/j.psj.2024.104014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/10/2024] [Accepted: 06/19/2024] [Indexed: 07/23/2024] Open
Abstract
Two trials were conducted to draw the phase-response curve of productive and immunological variables in heat-exposed layer chickens at different ages (71 to 130 d, and 211 to 270 d). Birds were acclimated to the following conditions for 60 d: constant optimal ambient temperature at 24°C and high ambient temperature at 34°C for 8 h/d (10:00-18:00). Data collection and biochemical measurements were performed every 10 d. In both age ranges, high temperature favored the innate immunity (P < 0.01) at the cost of performance (P < 0.05) during a given period, including the relative abundance of B and T-helper lymphocytes, lymphocyte proliferation ratio (B and T lymphocytes), and serum immunoglobulin contents (IgG and IgM) in the peripheral blood, as well as splenic expression of inflammation-related genes (iNOS, TLR-4, TNF-α, IL-6, and INF-γ). Compared with laying hens, growing pullets showed a time-delayed activation of immune response following heat challenge, and had no immunosuppression up to the end of exposure. Overall, the immune system of layer birds has a trade-off with production tissues in a hot environment, and exhibits distinct age-range-specific responses of acclimatization.
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Affiliation(s)
- Li Nan Xu
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Provincial Key Laboratory of Animal Nutrition and Efficient Feeding, College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271017, PR China
| | - Jing Gao
- Heze Animal Husbandry Workstation, Heze, Shandong 274000, PR China
| | - Jing Wen Yao
- Pharmacy Department, Taian City Central Hospital Affiliated to Qingdao University, Taian, Shandong 271000, PR China
| | - Hong Chao Jiao
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Provincial Key Laboratory of Animal Nutrition and Efficient Feeding, College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271017, PR China
| | - Xiao Juan Wang
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Provincial Key Laboratory of Animal Nutrition and Efficient Feeding, College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271017, PR China
| | - Hai Lin
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Provincial Key Laboratory of Animal Nutrition and Efficient Feeding, College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271017, PR China
| | - Jing Peng Zhao
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Shandong Provincial Key Laboratory of Animal Nutrition and Efficient Feeding, College of Animal Science and Technology, Shandong Agricultural University, Taian, Shandong 271017, PR China.
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Wu X, Du X, Pian H, Yu D. Effect of Curcumin on Hepatic mRNA and lncRNA Co-Expression in Heat-Stressed Laying Hens. Int J Mol Sci 2024; 25:5393. [PMID: 38791430 PMCID: PMC11121607 DOI: 10.3390/ijms25105393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/10/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Heat stress is an important factor affecting poultry production; birds have a range of inflammatory reactions under high-temperature environments. Curcumin has anti-inflammatory and antioxidant effects. The purpose of this experiment was to investigate the effect of dietary curcumin supplementation on the liver transcriptome of laying hens under heat stress conditions. In the animal experiment, a total of 240 Hy-Line brown hens aged 280 days were divided randomly into four different experimental diets with four replicates, and each replicate consisted of 15 hens during a 42-D experiment. The ambient temperature was adjusted to 34 ± 2 °C for 8 h per day, transiting to a range of 22 °C to 28 °C for the remaining 16 h. In the previous study of our lab, it was found that supplemental 150 mg/kg curcumin can improve production performance, antioxidant enzyme activity, and immune function in laying hens under heat stress. To further investigate the regulatory mechanism of curcumin on heat stress-related genes, in total, six samples of three liver tissues from each of 0 mg/kg and 150 mg/kg curcumin test groups were collected for RNA-seq analysis. In the transcriptome analysis, we reported for the first time that the genes related to heat stress of mRNA, such as HSPA8, HSPH1, HSPA2, and DNAJA4, were co-expressed with lncRNA such as XLOC010450, XLOC037987, XLOC053511, XLOC061207, and XLOC100318, and all of these genes are shown to be down-regulated. These findings provide a scientific basis for the possible benefits of dietary curcumin addition in heat-stressed laying hens.
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Affiliation(s)
- Xinyue Wu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (X.W.); (H.P.)
| | - Xubin Du
- Single Molecule Nanometry Laboratory (Sinmolab), Nanjing Agricultural University, Nanjing 210095, China;
| | - Huifang Pian
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (X.W.); (H.P.)
| | - Debing Yu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (X.W.); (H.P.)
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5
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Mangan M, Siwek M. Strategies to combat heat stress in poultry production-A review. J Anim Physiol Anim Nutr (Berl) 2024; 108:576-595. [PMID: 38152002 DOI: 10.1111/jpn.13916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/29/2023]
Abstract
The effects of heat stress (HS) caused by high temperatures continue to be a global concern in poultry production. Poultry birds are homoeothermic, however, modern-day chickens are highly susceptible to HS due to their inefficiency in dissipating heat from their body due to the lack of sweat glands. During HS, the heat load is higher than the chickens' ability to regulate it. This can disturb normal physiological functioning, affect metabolism and cause behavioural changes, respiratory alkalosis and immune dysregulation in birds. These adverse effects cause gut dysbiosis and, therefore, reduce nutrient absorption and energy metabolism. This consequently reduces production performances and causes economic losses. Several strategies have been explored to combat the effects of HS. These include environmentally controlled houses, provision of clean cold water, low stocking density, supplementation of appropriate feed additives, dual and restricted feeding regimes, early heat conditioning and genetic selection of poultry lines to produce heat-resistant birds. Despite all these efforts, HS still remains a challenge in the poultry sector. Therefore, there is a need to explore effective strategies to address this long-lasting problem. The most recent strategy to ameliorate HS in poultry is early perinatal programming using the in ovo technology. Such an approach seems particularly justified in broilers because chick embryo development (21 days) equals half of the chickens' posthatch lifespan (42 days). As such, this strategy is expected to be more efficient and cost-effective to mitigate the effects of HS on poultry and improve the performance and health of birds. Therefore, this review discusses the impact of HS on poultry, the advantages and limitations of the different strategies. Finally recommend a promising strategy that could be efficient in ameliorating the adverse effects of HS in poultry.
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Affiliation(s)
- Modou Mangan
- Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
| | - Maria Siwek
- Department of Animal Biotechnology and Genetics, Bydgoszcz University of Science and Technology, Bydgoszcz, Poland
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6
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El-Ratel IT, Amara MM, Beshara MM, Basuini MFE, Fouda SF, El-Kholy KH, Ebeid TA, Kamal M, Othman SI, Rudayni HA, Allam AA, Moustafa M, Tellez-Isaias G, Abd El-Hack ME, Mekawy A. Effects of supplemental vitamin A on reproduction and antioxidative status of aged laying hens, and growth, blood indices and immunity of their offspring. Poult Sci 2024; 103:103453. [PMID: 38306808 PMCID: PMC10850857 DOI: 10.1016/j.psj.2024.103453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 02/04/2024] Open
Abstract
The purpose of this investigation was to evaluate the impacts of vitamin A (VA) supplementation in feed at levels of 0 (control), 2,000, 4,000, 6,000, and 8,000 IU VA/kg diet on the reproductive efficiency and antioxidative properties of aged Sinai laying hens at 52 wk of age (n = 300 females and 30 males) in 6 replicates (10 females + 1 male/replicate). As well as blood biochemical indicators, carcass characteristics, growth performance, immunity, and the antioxidative status of their chicks. Results showed that diets supplemented with 2,000 or 6,000 IU/kg of VA increased fertility rate and decreased early embryonic mortality (P < 0.05). Increasing VA from 4,000 to 6,000 IU/kg significantly boosted hatchability rates. All VA levels significantly enhanced glutathione peroxidase (GPx) and reduced malondialdehyde (MDA) and late embryonic mortality. In the shell gland, dietary supplementation of 6,000 or 8,000 IU/kg of VA enhanced actions of GPx actions, catalase (CAT), and superoxide dismutase (SOD). In hatched chicks, all VA levels boosted (P < 0.05) hemoglobin, red blood cell count, and serum concentration of total proteins and IgA while decreasing eosinophils percentage and aspartate aminotransferase activity (AST) concentration. Dietary VA supplementations from 4,000 to 8,000 IU/kg improved lymphocytes, serum total antioxidant capacity (TAC), SOD, and IgM, while decreasing heterophils, heterophils/lymphocytes ratio, and creatinine in hatched chicks. Serum triglyceride concentration was reduced by adding 6,000 or 8,000 IU/kg of VA, while globulin and high-density lipoprotein concentrations were heightened only by 8,000 IU/kg of VA. It could be concluded that the dietary supplementation of VA (6,000 IU/kg) improved reproductive efficiency and antioxidative status in the liver and the shell gland of aged laying hens and improved hemato-biochemicals parameters, antioxidative status, and immunity of their offspring.
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Affiliation(s)
- Ibrahim T El-Ratel
- Department of Animal, Poultry and Fish Production, Faculty of Agriculture, Damietta University, Damietta 34517, Egypt
| | - Mariam M Amara
- Department of Animal, Poultry and Fish Production, Faculty of Agriculture, Damietta University, Damietta 34517, Egypt
| | - Malak M Beshara
- Agricultural Research Center, Animal Production Research Institute, Ministry of Agriculture, Dokki, Giza, Egypt
| | - Mohammed F El Basuini
- Department of Animal Production, Faculty of Agriculture, Tanta University, 31527 Tanta, Egypt; Faculty of Desert Agriculture, King Salman International University, South Sinai, Egypt
| | - Sara F Fouda
- Department of Poultry Production, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt
| | - Khaled H El-Kholy
- Department of Animal, Poultry and Fish Production, Faculty of Agriculture, Damietta University, Damietta 34517, Egypt
| | - Tarek A Ebeid
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia; Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Mahmoud Kamal
- Agricultural Research Center, Animal Production Research Institute, Dokki, Giza 12618, Egypt
| | - Sarah I Othman
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Hassan A Rudayni
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia
| | - Ahmed A Allam
- Department of Biology, College of Science, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia; Department of Zoology, Faculty of Science, Beni-suef University, Beni-suef 65211 Egypt
| | - Mahmoud Moustafa
- Department of Biology, College of Science, King Khalid University, Abha, Kingdom of Saudi Arabia
| | - Guillermo Tellez-Isaias
- Department of Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72701 USA
| | | | - Aml Mekawy
- Department of Animal, Poultry and Fish Production, Faculty of Agriculture, Damietta University, Damietta 34517, Egypt
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Aloui L, Greene ES, Tabler T, Lassiter K, Thompson K, Bottje WG, Orlowski S, Dridi S. Effect of heat stress on the hypothalamic expression profile of water homeostasis-associated genes in low- and high-water efficient chicken lines. Physiol Rep 2024; 12:e15972. [PMID: 38467563 DOI: 10.14814/phy2.15972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/13/2024] Open
Abstract
With climate change, selection for water efficiency and heat resilience are vitally important. We undertook this study to determine the effect of chronic cyclic heat stress (HS) on the hypothalamic expression profile of water homeostasis-associated markers in high (HWE)- and low (LWE)-water efficient chicken lines. HS significantly elevated core body temperatures of both lines. However, the amplitude was higher by 0.5-1°C in HWE compared to their LWE counterparts. HWE line drank significantly less water than LWE during both thermoneutral (TN) and HS conditions, and HS increased water intake in both lines with pronounced magnitude in LWE birds. HWE had better feed conversion ratio (FCR), water conversion ratio (WCR), and water to feed intake ratio. At the molecular level, the overall hypothalamic expression of aquaporins (AQP8 and AQP12), arginine vasopressin (AVP) and its related receptor AVP2R, angiotensinogen (AGT), angiotensin II receptor type 1 (AT1), and calbindin 2 (CALB2) were significantly lower; however, CALB1 mRNA and AQP2 protein levels were higher in HWE compared to LWE line. Compared to TN conditions, HS exposure significantly increased mRNA abundances of AQPs (8, 12), AVPR1a, natriuretic peptide A (NPPA), angiotensin I-converting enzyme (ACE), CALB1 and 2, and transient receptor potential cation channel subfamily V member 1 and 4 (TRPV1 and TRPV4) as well as the protein levels of AQP2, however it decreased that of AQP4 gene expression. A significant line by environment interaction was observed in several hypothalamic genes. Heat stress significantly upregulated AQP2 and SCT at mRNA levels and AQP1 and AQP3 at both mRNA and protein levels, but it downregulated that of AQP4 protein only in LWE birds. In HWE broilers, however, HS upregulated the hypothalamic expression of renin (REN) and AVPR1b genes and AQP5 proteins, but it downregulated that of AQP3 protein. The hypothalamic expression of AQP (5, 7, 10, and 11) genes was increased by HS in both chicken lines. In summary, this is the first report showing improvement of growth performances in HWE birds. The hypothalamic expression of several genes was affected in a line- and/or environment-dependent manner, revealing potential molecular signatures for water efficiency and/or heat tolerance in chickens.
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Affiliation(s)
- Loujain Aloui
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
- Higher School of Agriculture of Mograne, University of Carthage, Zaghouan, Tunisia
| | - Elizabeth S Greene
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Travis Tabler
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Kentu Lassiter
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Kevin Thompson
- Center for Agricultural Data Analyses, Divion of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Walter G Bottje
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Sara Orlowski
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
| | - Sami Dridi
- Center of Excellence for Poultry Science, Division of Agriculture, University of Arkansas, Fayetteville, Arkansas, USA
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Attia YA, Al-Sagan AA, Hussein ESOS, Olal MJ, Ebeid TA, Al-Abdullatif AA, Alhotan RA, Alyileili SR, Shehata HA, Tufarelli V. Dietary flaxseed cake influences on performance, quality, and sensory attributes of eggs, serum, and egg trace minerals of laying hens. Trop Anim Health Prod 2024; 56:50. [PMID: 38236506 DOI: 10.1007/s11250-024-03897-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/10/2024] [Indexed: 01/19/2024]
Abstract
Nowadays, there is a global shortage in feed supply for animal nutrition; however, there are a considerable amount of agro-industrial co- and by-products that may offer a reasonable solution. Flaxseed cake (FSC) is a by-product of flaxseed for oil extraction rich in n-3 α-linolenic acid (ALA). Thus, the dietary inclusion of FSC on laying performance, egg quality, and serum and egg trace elements (Se, Zn, and Fe) was evaluated using Hisex White hens. The hens were distributed to three equal experimental treatments and provided diets including 0%, 5%, or 10% FSC from 48 to 58 weeks of age. Findings clarified that up to 10% FSC in the laying hen diet had no detrimental effect on laying rate, egg mass, and feed utilization. It was found that FSC resulted in a valuable source of protein, energy, macro- (Ca and P), micro- (Se, Zn and Fe) elements, and essential amino acids, with arginine being the highest. Dietary FSC did not negatively influence the egg quality traits, as well as egg sensory attributes. Including 5% or 10% FSC in diet did not significantly affect serum total protein and renal function in terms of creatinine, uric acid, and uric acid-to-creatinine ratio. Different FSC levels did not influence the chemical composition of eggs and trace elements in serum and eggs. It could be concluded that FSC is a valuable feedstuff that can provide a good source of energy, protein, amino acids, and macro- and micro-elements for hens' nutrition. The inclusion of up to 10% of FSC in hens diet did not adversely influence egg laying performance, egg quality of both fresh and stored eggs, sensory attributes, and nutritional composition, as well as Se, Zn, and Fe in serum and eggs due to balanced nutrient profile of FSC.
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Affiliation(s)
- Youssef A Attia
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University, 21589, Jeddah, Saudi Arabia.
- Department of Animal and Poultry Production, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt.
| | - Ahmed A Al-Sagan
- King Abdulaziz City for Science and Technology, 12354, Riyadh, Saudi Arabia
| | - El-Sayed O S Hussein
- Department of Animal Production, College of Food and Agricultural Sciences, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Marai J Olal
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Tarek A Ebeid
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, 51452, Buraydah, Saudi Arabia
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, KafrEl-Sheikh, 33516, Egypt
| | - Abdulaziz A Al-Abdullatif
- Department of Animal Production, College of Food and Agricultural Sciences, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Rashed A Alhotan
- Department of Animal Production, College of Food and Agricultural Sciences, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Salem R Alyileili
- Department of Laboratory Analysis, College of Food and Agriculture Sciences, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Heba A Shehata
- Regional Center for Food and Feed, Agricultural Research and Development Center, Giza, Egypt
| | - Vincenzo Tufarelli
- Department of Precision and Regenerative Medicine and Jonian Area, Section of Veterinary Science and Animal Production, University of Bari Aldo Moro, Valenzano, Bari, Italy.
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9
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Oluwagbenga EM, Fraley GS. Heat stress and poultry production: a comprehensive review. Poult Sci 2023; 102:103141. [PMID: 37852055 PMCID: PMC10591017 DOI: 10.1016/j.psj.2023.103141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/18/2023] [Accepted: 09/18/2023] [Indexed: 10/20/2023] Open
Abstract
The impact of global warming on poultry production has gained significant attention over the years. However, our current knowledge and understanding of the mechanisms through which heat stress (HS) resulting from global warming affects the welfare, behavior, immune response, production performance, and even transgenerational effects in poultry are still incomplete. Further research is needed to delve deeper into these mechanisms to gain a comprehensive understanding. Numerous studies have investigated various biomarkers of stress in poultry, aiming to identify reliable markers that can accurately assess the physiological status and well-being of birds. However, there is a significant amount of variation and inconsistency in the results reported across different studies. This inconsistency highlights the need for more standardized methods and assays and a clearer understanding of the factors that influence these biomarkers in poultry. This review article specifically focuses on 3 main aspects: 1) the neuroendocrine and behavioral responses of poultry to HS, 2) the biomarkers of HS and 3) the impact of HS on poultry production that have been studied in poultry. By examining the neuroendocrine and behavioral changes exhibited by poultry under HS, we aim to gain insights into the physiological impact of elevated temperatures in poultry.
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Affiliation(s)
| | - G S Fraley
- Animal Sciences, Purdue University, West Lafayette, IN USA.
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10
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Song L, Weng K, Bao Q, Wu J, Zhang Y, Xu Q, Zhang Y. TMT-based quantitative proteomic analysis unveils uterine fluid difference in hens producing normal and pimpled eggs. Poult Sci 2023; 102:103081. [PMID: 37774518 PMCID: PMC10542640 DOI: 10.1016/j.psj.2023.103081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/19/2023] [Accepted: 08/27/2023] [Indexed: 10/01/2023] Open
Abstract
Eggshell is a crucial indicator of egg quality. Pimpled eggs (PE) a type of eggshell defect are characterized by low eggshell strength, leading to substantial financial losses. Eggshell formation occurs in the uterine fluid (UF), which contains the required ions and matrix proteins However, the underlying mechanisms of PE formation remain poorly understood. In this study, we analyzed the egg quality of PE, and normal eggs (NE) by examining the differences in UF from hens producing PE and NE (n = 6 each). This 2-wk-long assessment involved histomorphological and proteomics analyses. The results showed that NE had better eggshell quality compared to PE, and the uterus structure in PE hens was conducive to the formation of PE. Using quantitative proteomic analysis, we identified 68 differential abundance proteins (DAPs) in the UF of PE hens, including 9 key proteins related to ion transport, protein synthesis and folding, and immunity. Downregulation of CALM1 and SCNN1G proteins in PE hens might have negatively affected the calcium signaling pathway, decreasing the calcium amount in UF. Additionally, the PHB1 and TSN proteins may affect eggshell formation by regulating immune responses. Taken together, our results provide insights into the mechanism of PE production, with potential applications for enhancing eggshell quality.
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Affiliation(s)
- Lina Song
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Kaiqi Weng
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Qiang Bao
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Jia Wu
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yang Zhang
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Qi Xu
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yu Zhang
- Jiangsu Key Laboratory for Animal Genetic, Breeding and Molecular Design, Yangzhou University, Yangzhou, Jiangsu, China.
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Elkomy HS, Koshich II, Mahmoud SF, Abo-Samaha MI. Use of lactulose as a prebiotic in laying hens: its effect on growth, egg production, egg quality, blood biochemistry, digestive enzymes, gene expression and intestinal morphology. BMC Vet Res 2023; 19:207. [PMID: 37845670 PMCID: PMC10578020 DOI: 10.1186/s12917-023-03741-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 09/15/2023] [Indexed: 10/18/2023] Open
Abstract
BACKGROUND The rising popularity of eggs as an alternative source of protein to meat has led to significant increase in egg consumption over the past decade. To meet the increasing demand for eggs, poultry farmers have used antibiotics to treat infections and, to some extent, promote growth and egg production in raising layer. However, the emergence and global spread of antibiotic resistant bacteria has now necessitated antibiotic-free poultry farming. As alternatives to antibiotics, prebiotics are feed additives that can be used to improve the growth and laying performance of poultry which positively impacts their performance and general health. In this study we evaluated the effect of lactulose, formulated as Vetelact, on body weight, egg production, egg quality, blood biochemical parameters and expression of genes associated with reproductive performance in laying hens. RESULTS Vetelact supplementation improved egg weight, egg production as well as egg quality. Following Vetalact supplementation, the levels of total bilirubin, total protein, globulin and phosphorus were increased, while the activities of alkaline phosphatase and lipase enzymes were increased compared to control. Vetelact at 0.10 ml/kg body weight upregulated OCX-36, OVAL, CALB1, OC-116, OCX-32 and IL8 transcripts while downregulating the transcription of Gal-10, PENK and AvBD9. At this optimal inclusion rate of Vetalect, histomorphologic analyses of intestinal tissue showed increased villi length with more goblet cell distribution and obvious mucus covering a surface, increase in the depth of intestinal crypts produce digestive enzymes, as well as more developed muscle layer that promote improved nutrient absorption. CONCLUSION Vetelact at a dose of 0.10 ml/ kg body weight was effective in improving productive performance of laying hens. Adding lactulose (0.10 ml/ kg body weight) to layer diet is recommended to promote growth and improve egg laying performance in antibiotics-free poultry production.
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Affiliation(s)
- Hassan S Elkomy
- Poultry Breeding and Production, Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Edfina, Beheira, 22758, Egypt
- Moscow State Academy of Veterinary Medicine and Biotechnology Named After K.I. Skryabin, 23, Academician Skryabin Street, Moscow, 109472, Russia
| | - Ivan I Koshich
- Moscow State Academy of Veterinary Medicine and Biotechnology Named After K.I. Skryabin, 23, Academician Skryabin Street, Moscow, 109472, Russia
| | - Sahar F Mahmoud
- Histology and Cytology Department, Faculty of Veterinary Medicine, Damanhur University, Damanhur, 22511, Egypt
| | - Magda I Abo-Samaha
- Poultry Breeding and Production, Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Edfina, Beheira, 22758, Egypt.
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Liu X, Ma Z, Wang Y, Jia H, Wang Z, Zhang L. Heat stress exposure cause alterations in intestinal microbiota, transcriptome, and metabolome of broilers. Front Microbiol 2023; 14:1244004. [PMID: 37795292 PMCID: PMC10547010 DOI: 10.3389/fmicb.2023.1244004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 08/18/2023] [Indexed: 10/06/2023] Open
Abstract
Introduction Heat stress can affect the production of poultry through complex interactions between genes, metabolites and microorganisms. At present, it is unclear how heat stress affects genetic, metabolic and microbial changes in poultry, as well as the complex interactions between them. Methods Thus, at 28 days of age a total of 200 Arbor Acres broilers with similar body weights were randomly divided into the control (CON) and heat stress treatment (HS). There were 5 replicates in CON and HS, respectively, 20 per replication. From the 28-42 days, the HS was kept at 31 ± 1°C (9:00-17:00, 8 h) and other time was maintained at 21 ± 1°C as in the CON. At the 42nd day experiment, we calculated the growth performance (n = 8) of broilers and collected 3 and 6 cecal tissues for transcriptomic and metabolomic investigation and 4 cecal contents for metagenomic investigation of each treatment. Results and discussion The results indicate that heat stress significantly reduced the average daily gain and body weight of broilers (value of p < 0.05). Transcriptome KEGG enrichment showed that the differential genes were mainly enriched in the NF-kB signaling pathway. Metabolomics results showed that KEGG enrichment showed that the differential metabolites were mainly enriched in the mTOR signaling pathway. 16S rDNA amplicon sequencing results indicated that heat stress increased the relative abundance of Proteobacteria decreased the relative abundance of Firmicutes. Multi-omics analysis showed that the co-participating pathway of differential genes, metabolites and microorganisms KEGG enrichment was purine metabolism. Pearson correlation analysis found that ornithine was positively correlated with SULT1C3, GSTT1L and g_Lactobacillus, and negatively correlated with CALB1. PE was negatively correlated with CALB1 and CHAC1, and positively with g_Alistipes. In conclusion, heat stress can generate large amounts of reactive oxygen and increase the types of harmful bacteria, reduce intestinal nutrient absorption and antioxidant capacity, and thereby damage intestinal health and immune function, and reduce growth performance indicators. This biological process is manifested in the complex regulation, providing a foundational theoretical basis for solving the problem of heat stress.
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Affiliation(s)
| | | | | | | | - Zheng Wang
- Shanxi Key Lab. for the Modernization of TCVM, College of Life and Science, Shanxi Agricultural University, Taigu, China
| | - Lihuan Zhang
- Shanxi Key Lab. for the Modernization of TCVM, College of Life and Science, Shanxi Agricultural University, Taigu, China
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Zmrhal V, Svoradova A, Venusova E, Slama P. The Influence of Heat Stress on Chicken Immune System and Mitigation of Negative Impacts by Baicalin and Baicalein. Animals (Basel) 2023; 13:2564. [PMID: 37627355 PMCID: PMC10451628 DOI: 10.3390/ani13162564] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Heat stress (HS) in poultry husbandry is an important stressor and with increasing global temperatures its importance will increase. The negative effects of stress on the quality and quantity of poultry production are described in a range of research studies. However, a lack of attention is devoted to the impacts of HS on individual chicken immune cells and whole lymphoid tissue in birds. Oxidative stress and increased inflammation are accompanying processes of HS, but with deleterious effects on the whole organism. They play a key role in the inflammation and oxidative stress of the chicken immune system. There are a range of strategies that can help mitigate the adverse effects of HS in poultry. Phytochemicals are well studied and some of them report promising results to mitigate oxidative stress and inflammation, a major consequence of HS. Current studies revealed that mitigating these two main impacts of HS will be a key factor in solving the problem of increasing temperatures in poultry production. Improved function of the chicken immune system is another benefit of using phytochemicals in poultry due to the importance of poultry health management in today's post pandemic world. Based on the current literature, baicalin and baicalein have proven to have strong anti-inflammatory and antioxidative effects in mammalian and avian models. Taken together, this review is dedicated to collecting the literature about the known effects of HS on chicken immune cells and lymphoid tissue. The second part of the review is dedicated to the potential use of baicalin and baicalein in poultry to mitigate the negative impacts of HS on poultry production.
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Affiliation(s)
- Vladimir Zmrhal
- Laboratory of Animal Immunology and Biotechnology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic; (V.Z.); (A.S.); (E.V.)
| | - Andrea Svoradova
- Laboratory of Animal Immunology and Biotechnology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic; (V.Z.); (A.S.); (E.V.)
- NPPC, Research Institute for Animal Production in Nitra, 951 41 Luzianky, Slovakia
| | - Eva Venusova
- Laboratory of Animal Immunology and Biotechnology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic; (V.Z.); (A.S.); (E.V.)
| | - Petr Slama
- Laboratory of Animal Immunology and Biotechnology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic; (V.Z.); (A.S.); (E.V.)
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Javůrková VG, Mikšík I. New insights into the relationships between egg maternal components: the interplays between albumen steroid hormones, proteins and eggshell protoporphyrin. Comp Biochem Physiol A Mol Integr Physiol 2023; 279:111401. [PMID: 36781044 DOI: 10.1016/j.cbpa.2023.111401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 02/08/2023] [Accepted: 02/08/2023] [Indexed: 02/13/2023]
Abstract
Recent studies have shown that the egg yolk maternal components, which are a mixture of substances that can affect the developing embryo, do not act separately but are interconnected and co-adapted. Surprisingly, no study to date has focused on the associations between maternally derived albumen steroids and albumen and eggshell compounds with pleiotropic effects. Eggshell pigment protoporphyrin (PROTO IX) should provide primary antimicrobial protection for eggs, but as a proven pro-oxidant, it may compromise female fitness. Abundant albumen proteins ovotransferrin (OVOTR) and lysozyme (LSM) have been shown to have antimicrobial, antioxidant, immunoregulatory and growth-regulatory roles. To investigate associations between albumen steroids and OVOTR, LSM and eggshell cuticle PROTO IX, we used chicken eggs with differently pigmented eggshells. We found that albumen steroid hormones were strongly intercorrelated. In addition, we revealed that albumen LSM and testosterone (T) were positively associated, while a negative association was found between albumen LSM and pregnenolone (P5). Eggshell cuticle PROTO IX was negatively associated with the concentration of albumen 17α-hydroxypregnenolone (17-OHP5). Finally, of all the hormones tested, only the concentration of albumen 17-OHP5 correlated negatively with egg volume and varied with eggshell colour and chicken breed. Although experimental evidence for the effect of maternal albumen steroids on avian developing embryo is still scarce, our study is the first to highlight co-variation and potential co-adjustment of maternally derived albumen steroids, proteins and eggshell cuticle pigment suggesting similar allocation mechanisms known for yolk maternal compounds with the potential to influence the avian embryo and offspring phenotype.
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Affiliation(s)
- Veronika Gvoždíková Javůrková
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands; Institute of Vertebrate Biology of the Czech Academy of Sciences, Květná 8, 603 65 Brno, Czech Republic.
| | - Ivan Mikšík
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic
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Oluwagbenga EM, Tetel V, Tonissen S, Karcher DM, Fraley GS. Chronic treatment with glucocorticoids does not affect egg quality but increases cortisol deposition into egg albumen and elicits changes to the heterophil to lymphocyte ratio in a sex-dependent manner. Front Physiol 2023; 14:1132728. [PMID: 37008003 PMCID: PMC10063882 DOI: 10.3389/fphys.2023.1132728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/06/2023] [Indexed: 03/19/2023] Open
Abstract
During chronic stress, there is an initial increase in glucocorticoid (GC) levels, but they then return to low, albeit not baseline, levels. Recent studies have renewed interest in cortisol in that it may also have important roles in the stress response. The purpose of our study was to test the hypothesis that chronic treatment with low levels of either corticosterone or cortisol would alter HLR and immune organ morphometrics. Further, we wanted to determine if chronic treatment with either GC would elicit an increase in cortisol levels in egg albumen. To test our hypotheses, we implanted silastic capsules that contained corticosterone, cortisol, or empty capsules as controls (N = 5/sex/treatment). Blood serum, smears, body weights, and egg quality data were collected. Ducks were then euthanized and body weight, weights of spleens, livers, and the number of active follicles were recorded. Albumen GC levels were assessed using mass spectrometry. Data were analyzed using a 2- or 3-way ANOVA as appropriate and post-hoc with Fishers PLSD. No treatment elicited differences in egg quality measures or body weight compared to controls. Corticosterone treatment did elicit an increase in serum corticosterone (p < 0.05), but not cortisol, levels compared to controls in both sexes. Both cortisol and corticosterone treatments increased (p < 0.05) serum levels of cortisol compared to controls. Relative spleen weights were higher (p < 0.05) in hens following corticosterone but not cortisol treatment. No other organs showed any differences among the treatment groups. Both GCs elicited an increase (p < 0.001) in HLR in hens at all time-points over the 2-week treatment period compared to controls. Cortisol, not corticosterone, only elicited an increase in HLR for drakes (p < 0.05) compared to controls but only at day 1 after implants. Chronic treatment with cortisol, but not corticosterone, elicited an increase (p < 0.01) in egg albumen cortisol levels compared to other groups. Corticosterone was not detected in any albumen samples. Our results suggest that glucocorticoids elicit differential effects and although corticosterone has been stated to be the predominant GC in avian species, cortisol may provide critical information to further understand bird welfare.
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Romanov MN, Abdelmanova AS, Fisinin VI, Gladyr EA, Volkova NA, Koshkina OA, Rodionov AN, Vetokh AN, Gusev IV, Anshakov DV, Stanishevskaya OI, Dotsev AV, Griffin DK, Zinovieva NA. Selective footprints and genes relevant to cold adaptation and other phenotypic traits are unscrambled in the genomes of divergently selected chicken breeds. J Anim Sci Biotechnol 2023; 14:35. [PMID: 36829208 PMCID: PMC9951459 DOI: 10.1186/s40104-022-00813-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 11/27/2022] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND The genomes of worldwide poultry breeds divergently selected for performance and other phenotypic traits may also be affected by, and formed due to, past and current admixture events. Adaptation to diverse environments, including acclimation to harsh climatic conditions, has also left selection footprints in breed genomes. RESULTS Using the Chicken 50K_CobbCons SNP chip, we genotyped four divergently selected breeds: two aboriginal, cold tolerant Ushanka and Orloff Mille Fleur, one egg-type Russian White subjected to artificial selection for cold tolerance, and one meat-type White Cornish. Signals of selective sweeps were determined in the studied breeds using three methods: (1) assessment of runs of homozygosity islands, (2) FST based population differential analysis, and (3) haplotype differentiation analysis. Genomic regions of true selection signatures were identified by two or more methods or in two or more breeds. In these regions, we detected 540 prioritized candidate genes supplemented them with those that occurred in one breed using one statistic and were suggested in other studies. Amongst them, SOX5, ME3, ZNF536, WWP1, RIPK2, OSGIN2, DECR1, TPO, PPARGC1A, BDNF, MSTN, and beta-keratin genes can be especially mentioned as candidates for cold adaptation. Epigenetic factors may be involved in regulating some of these important genes (e.g., TPO and BDNF). CONCLUSION Based on a genome-wide scan, our findings can help dissect the genetic architecture underlying various phenotypic traits in chicken breeds. These include genes representing the sine qua non for adaptation to harsh environments. Cold tolerance in acclimated chicken breeds may be developed following one of few specific gene expression mechanisms or more than one overlapping response known in cold-exposed individuals, and this warrants further investigation.
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Affiliation(s)
- Michael N. Romanov
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia ,grid.9759.20000 0001 2232 2818School of Biosciences, University of Kent, Canterbury, UK
| | - Alexandra S. Abdelmanova
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Vladimir I. Fisinin
- grid.4886.20000 0001 2192 9124Federal State Budget Scientific Institution Federal Research Centre “All-Russian Poultry Research and Technological Institute” of the Russian Academy of Sciences, Sergiev Posad, Moscow Region Russia
| | - Elena A. Gladyr
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Natalia A. Volkova
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Olga A. Koshkina
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Andrey N. Rodionov
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Anastasia N. Vetokh
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Igor V. Gusev
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Dmitry V. Anshakov
- grid.4886.20000 0001 2192 9124Breeding and Genetic Centre “Zagorsk Experimental Breeding Farm” – Branch of the Federal Research Centre “All-Russian Poultry Research and Technological Institute” of the Russian Academy of Sciences, Sergiev Posad, Moscow Region Russia
| | - Olga I. Stanishevskaya
- grid.473314.6Russian Research Institute of Farm Animal Genetics and Breeding – Branch of the L.K. Ernst Federal Research Centre for Animal Husbandry, St. Petersburg, Russia
| | - Arsen V. Dotsev
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
| | - Darren K. Griffin
- grid.9759.20000 0001 2232 2818School of Biosciences, University of Kent, Canterbury, UK
| | - Natalia A. Zinovieva
- L.K. Ernst Federal Research Centre for Animal Husbandry, Dubrovitsy, Podolsk, Moscow Region Russia
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Eltahan HM, Kang CW, Chowdhury VS, Eltahan HM, Abdel-Maksoud MA, Mubarak A, Lim CI. Cold Drinking Water Boosts the Cellular and Humoral Immunity in Heat-Exposed Laying Hens. Animals (Basel) 2023; 13:ani13040580. [PMID: 36830366 PMCID: PMC9951739 DOI: 10.3390/ani13040580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/19/2023] [Accepted: 01/31/2023] [Indexed: 02/10/2023] Open
Abstract
This study aimed to investigate the effects of cold drinking water on cellular and humoral immunity in heat-exposed laying hens. One hundred and eight laying hens at 19 weeks old were placed into three treatments with six replicates of six hens in each group as follows: (1) hens were provided with normal drinking water (NW) under the control of thermoneutral temperature (CT: 25 ± 1 °C; CT + NW), (2) hens were provided with NW under high ambient temperature (HT: 35 ± 1 °C; HT + NW) for 8 h/d for a month, and (3) hens were treated under HT with cold drinking water (CW: 15 ± 1 °C; HT + CW) for 8 h/d for a 4-weeks. Then, the feed consumption, egg production, egg weight, feed conversion ratio, and blood immune parameters were investigated. The results showed that cold drinking water (CW) caused a significant (p < 0.05) recovery in the reduction of food intake and egg production due to heat stress; however, there was no significant effect (p > 0.05) on egg weight and feed conversion ratio. Moreover, CW significantly (p < 0.05) restored the immune-suppressing effects of heat stress on the contents of peripheral blood mononuclear cells, including B-cell (BU-Ia), helper T cell (CD4), and the ratio of helper/cytotoxic T cell (CD4/CD8). In addition, CW significantly (p < 0.05) recovered the reduction on the level of mRNA expression of interleukin-2 (IL-2) and interferon-gamma (IFN-γ), as well as significantly (p < 0.05) restored the reduction of plasma concentration of IL-2, IFN-γ and immunoglobulin G in heat-stressed laying hens. These results prove that CW increased heat dissipation and enhanced feed intake, egg production, and cellular and humoral immunity in heat-exposed laying hens.
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Affiliation(s)
- Hatem M. Eltahan
- Animal Production Research Institute, Agriculture Research Center, Agriculture Ministry, Sakha, Kafr El-Sheikh 33717, Egypt
- Postdoc at the Department of Animal Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
- Correspondence: (H.M.E.); (C.I.L.); Tel.: +20-1005122758 (H.M.E.); +82-63-270-2638 (C.I.L.); Fax: +82-63-270-2612 (C.I.L.)
| | - Chang W. Kang
- College of Veterinary Medicine, Jeonbuk National University, Jeonju 54596, Republic of Korea
| | - Vishwajit S. Chowdhury
- Division for Experimental Natural Science, Faculty of Arts and Science, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Hossam M. Eltahan
- Animal Production Research Institute, Agriculture Research Center, Agriculture Ministry, Sakha, Kafr El-Sheikh 33717, Egypt
| | - Mostafa A. Abdel-Maksoud
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ayman Mubarak
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Chun Ik Lim
- Poultry Research Institute, National Institute of Animal Science, RDA, Pyeongchang 25342, Republic of Korea
- Correspondence: (H.M.E.); (C.I.L.); Tel.: +20-1005122758 (H.M.E.); +82-63-270-2638 (C.I.L.); Fax: +82-63-270-2612 (C.I.L.)
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Loengbudnark W, Chankitisakul V, Boonkum W. The genetic impact of heat stress on the egg production of Thai native chickens (Pradu Hang dum). PLoS One 2023; 18:e0281328. [PMID: 36735733 PMCID: PMC9897533 DOI: 10.1371/journal.pone.0281328] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/20/2023] [Indexed: 02/04/2023] Open
Abstract
Sustainable poultry production in adverse weather conditions is a widely debated issue, which has led to research into the development of breeds of poultry that are genetically resistant to heat. This study aimed to investigate the effects of heat stress on the genetics of monthly egg production and examine the threshold point of heat stress for preventing thermal stress and its effects on chicken productivity. The data of 5,965 monthly egg production records of 629 Thai native Pradu Hang dum chickens were used for analysis in combination with the temperature-humidity index (THI) calculated by meteorological data near the testing station. The average THI throughout the year was 76.6, and the highest was 82. The THI data were subsequently used to find the threshold point of heat stress. The THI equation used in this study was chosen by its highest correlation (-0.306) between THI values and monthly egg production. At a THI of 74, the lowest -2 logL was found and was considered the threshold point of heat stress. This means that monthly egg production would start decreasing when the THI was 74. Heritability was 0.15±0.03, and genetic and permanent environmental correlations were -0.29 and -0.48, respectively. The threshold point was used to estimate the estimated breeding values (EBVs) of the monthly egg production and heat stress individually, and EBVs were calculated into the selection index. The selection index values when the animal was selected for the replacement herd for all chickens (top 50%, 30%, 20%, and 10%) were 0.14, 0.90, 1.27, 1.53, and 1.91, respectively, and the genetic progress was 0.55, 0.60, 0.68, 0.75, and 0.77, respectively. This shows that the selection index values are lower if there are many selected animals. The recommendation for animal genetic selection is that the top 10% is appropriately because it seems to be most preferred. Therefore, using a selection index for high egg production and heat tolerance in Thai native chickens is possible to achieve genetic assessment in a large population.
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Affiliation(s)
- Wipas Loengbudnark
- Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
| | - Vibuntita Chankitisakul
- Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
- The Research and Development Network Center of Animal Breeding and Omics, Khon Kaen University, Khon Kaen, Thailand
| | - Wuttigrai Boonkum
- Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
- The Research and Development Network Center of Animal Breeding and Omics, Khon Kaen University, Khon Kaen, Thailand
- * E-mail:
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Oluwagbenga EM, Tetel V, Schober J, Fraley GS. Chronic heat stress part 1: Decrease in egg quality, increase in cortisol levels in egg albumen, and reduction in fertility of breeder pekin ducks. Front Physiol 2022; 13:1019741. [PMID: 36439270 PMCID: PMC9692011 DOI: 10.3389/fphys.2022.1019741] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/31/2022] [Indexed: 10/20/2023] Open
Abstract
Global warming poses detrimental effects on poultry production leading to substantial economic losses. The goal of our experiment was to test the hypothesis that heat stress (HS) would alter welfare and egg quality (EQ) of breeder ducks. Furthermore, we wanted to test if HS would increase cortisol levels in egg albumen. Adult Pekin ducks were randomly assigned to two different rooms at 85% lay with 60 hens and 20 drakes per room. Baseline data including body weight, body condition scores (BCS), and egg production/quality were collected the week preceding heat treatment. Ducks were subjected to cyclic HS of 35°C for 10h/day and 29.5°C for the remaining 14h/day for 3 weeks while the control room was maintained at 22°C. Eggs were collected daily and analyzed weekly for quality assessment, and for albumen glucocorticoid (GCs) levels using mass spectrometry. One week before the exposure to HS, 10 hens and 5 drakes were euthanized and the same number again after 3 weeks and birds necropsied. Data analyses were done by 1- or 2-way ANOVA as appropriate with a Tukey-Kramer post hoc test. BCS were analyzed using a chi-squared test. A p ≤ 0.05 was considered significant. Circulating levels of corticosterone were significantly (p < 0.01) elevated at week 1 only in the HS hens. The circulating levels of cortisol increased significantly at week 1 and 2 (p < 0.05), and week 3 (p < 0.01) in the hens and at weeks 2 and 3 only (p < 0.05) in the drakes. Feather quality scores (p < 0.01), feather cleanliness scores (p < 0.001) and footpad quality scores (p < 0.05) increased significantly in the HS group. HS elicited a significant (p < 0.001) decrease in egg production at weeks 1 and 3. Hens in the HS group showed significantly decreased BW (p < 0.001) and number of follicles (p < 0.05). Shell weight decreased significantly at week 1 only (p < 0.05) compared to controls. Yolk weight decreased significantly at week 3 (p < 0.01) compared to controls. HS elicited a significant increase in albumen cortisol levels at week 1 (p < 0.05) and week 3 (p < 0.05). Thus, cortisol may provide critical information to further understand and to improve welfare.
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Affiliation(s)
| | | | | | - G. S. Fraley
- Animal Sciences, Purdue University, West Lafayette, IN, UnitedStates
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20
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Research progress on bird eggshell quality defects: a review. Poult Sci 2022; 102:102283. [PMID: 36399932 PMCID: PMC9673113 DOI: 10.1016/j.psj.2022.102283] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/18/2022] [Accepted: 10/18/2022] [Indexed: 11/05/2022] Open
Abstract
The eggshell quality declined with extending of chicken laying cycles. Eggshell quality is a crucial feature that not only affects consumer preference, but also influences producers' economic profitability. The eggshell ultrastructure consists of mammillary, palisade, and vertical crystal layers. Any defect in shell structure results in a reduction in eggshell quality. Speckled, translucent, pimpled, and soft eggshells are common defects that cause significant financial losses for farmers and food security concerns for consumers. Therefore, reducing the faulty eggshells is critical for poultry production. Defective eggshell quality has been attributed to hereditary factors and external environmental stimuli. As such, improvements can be carried out through selective breeding and environmental control of components such as temperature, moisture, and diet formula balance. In this review, the molecular mechanisms of the main eggshell quality defects (speckled, translucent, pimpled, broken, and soft-shell eggs) and the relevant improvement methods are detailed. We hope this review will serve as a useful resource for poultry production management and effectively increasing eggshell quality.
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Ahmad R, Yu YH, Hsiao FSH, Su CH, Liu HC, Tobin I, Zhang G, Cheng YH. Influence of Heat Stress on Poultry Growth Performance, Intestinal Inflammation, and Immune Function and Potential Mitigation by Probiotics. Animals (Basel) 2022; 12:ani12172297. [PMID: 36078017 PMCID: PMC9454943 DOI: 10.3390/ani12172297] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/28/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The poultry industry sustains severe economic loss under heat stress conditions. Heat stress adversely affects the productivity, physiological status, and immunity of birds. To date, several mitigation measures have been adopted to minimize the negative effects of heat stress in poultry. Nutritional strategies have been explored as a promising approach to mitigate heat stress-associated deleterious impacts. Of these, probiotic feeding has a strong potential as a nutritional strategy, and this approach warrants further investigation to improve thermotolerance in poultry. Abstract Heat stress has emerged as a serious threat to the global poultry industry due to climate change. Heat stress can negatively impact the growth, gut health, immune function, and production and reproductive performances of poultry. Different strategies have been explored to mitigate heat stress in poultry; however, only a few have shown potential. Probiotics are gaining the attention of poultry nutritionists, as they are capable of improving the physiology, gut health, and immune system of poultry under heat stress. Therefore, application of probiotics along with proper management are considered to potentially help negate some of the negative impacts of heat stress on poultry. This review presents scientific insight into the impact of heat stress on poultry health and growth performance as well as the application of probiotics as a promising approach to alleviate the negative effects of heat stress in poultry.
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Affiliation(s)
- Rafiq Ahmad
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan
| | - Yu-Hsiang Yu
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan
| | - Felix Shih-Hsiang Hsiao
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan
| | - Chin-Hui Su
- Ilan Branch, Livestock Research Institute, Yilan 268020, Taiwan
| | - Hsiu-Chou Liu
- Ilan Branch, Livestock Research Institute, Yilan 268020, Taiwan
| | - Isabel Tobin
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74078, USA
| | - Guolong Zhang
- Department of Animal and Food Sciences, Oklahoma State University, Stillwater, OK 74078, USA
- Correspondence: (G.Z.); (Y.-H.C.)
| | - Yeong-Hsiang Cheng
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 26047, Taiwan
- Correspondence: (G.Z.); (Y.-H.C.)
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22
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Giannenas I, Sakkas P, Papadopoulos GA, Mitsopoulos I, Stylianaki I, Dokou S, Tsiouris V, Papagrigoriou T, Panheleux M, Robert F, Bampidis VA. The association of Curcuma and Scutellaria plant extracts improves laying hen thermal tolerance and egg oxidative stability and quality under heat stress conditions. Front Vet Sci 2022; 9:957847. [PMID: 35990269 PMCID: PMC9385105 DOI: 10.3389/fvets.2022.957847] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 06/27/2022] [Indexed: 11/30/2022] Open
Abstract
Chronic exposure to high ambient temperatures is detrimental to laying hen performance and egg quality. Plant secondary metabolites may alleviate effects, partly due to their antioxidant activities. Herein, we investigated the effects of dietary supplementation with a phytonutrient solution (PHYTO) consisting of a plant extract combination of Scutellaria baicalensis and Curcuma longa on young layers (25–32 wk of age) raised under naturally elevated temperature conditions. Four hundred, 24-wk-old Lohmann hens were allocated in 50 cages and, after a week of adaptation, were offered a diet either containing 2 g/kg of PHYTO or not, for 8 wk. Hen BW was measured at the beginning and end of the trial, and egg production and feed intake were recorded weekly. At week 32, four eggs per cage were collected to determine egg quality characteristics as well as the rate of lipid and albumen oxidation in fresh eggs. At the end of the trial, two hens per cage were blood sampled for assessment of biochemical markers, one of which was euthanized for histopathological evaluation of the liver and intestine and assessment of intestinal histomorphometry. The herbal mixture supplementation significantly increased egg production rate at weeks 28 and 29 and for the overall production period, and feed efficiency at weeks 26–29. In addition, the degree of liver necrosis and microvascular thrombosis was lower (P < 0.05) whereas intestinal villosity was greater in duodenal and jejunal segments (P < 0.05) in the PHYTO compared to the control group. Supplementation also reduced (P < 0.05) blood concentrations of corticosterone, alanine aminotransferase activity, and TBARS, and a reduction in catalase activity was observed. Egg quality characteristics were not affected, except for eggshell thickness, egg diameter, and eggshell breaking strength that were superior in the PHYTO group (P < 0.05). PHYTO supplementation significantly improved egg lipid oxidation status of fresh eggs. In conclusion, supplementation with PHYTO improved laying hen productivity and egg quality, which was associated with an improvement in laying hen thermotolerance.
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Affiliation(s)
- Ilias Giannenas
- Laboratory of Nutrition, Faculty of Veterinary Medicine, Aristotle University, Thessaloniki, Greece
- *Correspondence: Ilias Giannenas
| | | | - Georgios A. Papadopoulos
- Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, Aristotle University, Thessaloniki, Greece
| | - Ioannis Mitsopoulos
- Division of Animal Science, Faculty of Agriculture, International Hellenic University, Thessaloniki, Greece
| | - Ioanna Stylianaki
- Laboratory of Pathology, Faculty of Veterinary Medicine, Aristotle University, Thessaloniki, Greece
| | - Stella Dokou
- Laboratory of Nutrition, Faculty of Veterinary Medicine, Aristotle University, Thessaloniki, Greece
| | - Vasileios Tsiouris
- Unit of Avian Medicine, Clinic of Farm Animals, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Theodora Papagrigoriou
- Laboratory of Pharmacognosy, Faculty of Health Sciences, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | | | | | - Vasileios A. Bampidis
- Division of Animal Science, Faculty of Agriculture, International Hellenic University, Thessaloniki, Greece
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Yan L, Hu M, Gu L, Lei M, Chen Z, Zhu H, Chen R. Effect of Heat Stress on Egg Production, Steroid Hormone Synthesis, and Related Gene Expression in Chicken Preovulatory Follicular Granulosa Cells. Animals (Basel) 2022; 12:ani12111467. [PMID: 35681931 PMCID: PMC9179568 DOI: 10.3390/ani12111467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/01/2022] [Accepted: 06/04/2022] [Indexed: 02/05/2023] Open
Abstract
Simple Summary The debilitating effects of heat stress on poultry production have been well documented. Heat stress already results in severe economic loss worldwide. Regarding the decline in the reproductive performance of heat-stressed hens, the exact mechanisms involved are still unknown. The present study was conducted to elucidate the molecular mechanisms underlying heat-stress-induced abnormal egg production in laying hens. Our results confirmed that laying hens reared under heat stress had impaired laying performance. Follicular granulosa cells cultured in vitro are sensitive to the effects of heat stress, showing an increase in apoptosis and cellular ultrastructural changes. These effects appeared in the form of heat-stress-elevated progesterone, with the increased expression of steroidogenic acute regulatory protein, cytochrome P450 family 11 subfamily A member 1, and 3b-hydroxysteroid dehydrogenase, along with inhibited estradiol synthesis through the decreased expression of follicle-stimulating hormone receptor and the cytochrome P450 family 19 subfamily A member 1. Collectively, laying hens exposed to high temperatures showed damage to granulosa cells that brought about a decline in egg production. This study provides a molecular mechanism for the abnormal laying performance of hens subjected to heat stress, which may help when developing novel strategies to reverse the adverse impact. Abstract This study was conducted to elucidate the molecular mechanisms underlying heat stress (HS)-induced abnormal egg-laying in laying hens. Hy-Line brown laying hens were exposed to HS at 32 °C or maintained at 22 °C (control) for 14 days. In addition, granulosa cells (GCs) from preovulatory follicles were subjected to normal (37 °C) or high (41 °C or 43 °C) temperatures in vitro. Proliferation, apoptosis, and steroidogenesis were investigated, and the expression of estrogen and progesterone synthesis-related genes was detected. The results confirmed that laying hens reared under HS had impaired laying performance. HS inhibited proliferation, increased apoptosis, and altered the GC ultrastructure. HS also elevated progesterone secretion by increasing the expression of steroidogenic acute regulatory protein (StAR), cytochrome P450 family 11 subfamily A member 1 (CYP11A1), and 3b-hydroxysteroid dehydrogenase (3β-HSD). In addition, HS inhibited estrogen synthesis in GCs by decreasing the expression of the follicle-stimulating hormone receptor (FSHR) and cytochrome P450 family 19 subfamily A member 1 (CYP19A1). The upregulation of heat shock 70 kDa protein (HSP70) under HS was also observed. Collectively, laying hens exposed to high temperatures experienced damage to follicular GCs and steroidogenesis dysfunction, which reduced their laying performance. This study provides a molecular mechanism for the abnormal laying performance of hens subjected to HS.
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Affiliation(s)
- Leyan Yan
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
| | - Mengdie Hu
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
| | - Lihong Gu
- Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences, Haikou 571100, China;
| | - Mingming Lei
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
| | - Zhe Chen
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
| | - Huanxi Zhu
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
- Correspondence: (H.Z.); (R.C.)
| | - Rong Chen
- Key Laboratory for Crop and Animal Integrated Farming, Ministry of Agriculture and Rural Affairs, Animal Husbandry Institute, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (L.Y.); (M.H.); (M.L.); (Z.C.)
- Correspondence: (H.Z.); (R.C.)
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24
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Zhang Q, Zhang K, Wang J, Bai S, Zeng Q, Peng H, Zhang B, Xuan Y, Ding X. Effects of coated sodium butyrate on performance, egg quality, nutrient digestibility, and intestinal health of laying hens. Poult Sci 2022; 101:102020. [PMID: 35901649 PMCID: PMC9326336 DOI: 10.1016/j.psj.2022.102020] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 06/05/2022] [Accepted: 06/15/2022] [Indexed: 11/26/2022] Open
Abstract
This study determined the effects of coated sodium butyrate (CSB) on production performance, egg quality, nutrient digestibility, and intestinal health of laying hens. We divided a total of 800 Lohmann laying hens, aged 51 wk, into 4 treatment groups: 0 (CON), 300 (CSB1), 500 (CSB2), and 800 (CSB3) mg/kg of CSB. Each group comprised 20 birds, with 10 replicates set. A 12-wk monitoring process was conducted for each laying hen. Compared to CON, dietary supplementation of CSB did not affect the average daily feed intake or the egg weight. The CSB3 group demonstrated a linear increase in the production performance (P < 0.05), with decreased feed conversion ratio (P < 0.05). CSB2 and CSB3 exhibited markedly elevated egg mass (P < 0.05). The CSB supplementation markedly enhanced the yolk color (P < 0.05). CSB1 improved the digestibility of dry matter (P = 0.029). No significant differences were observed among dietary treatments in the duodenal morphology (P > 0.05). The three dosages of CSB reduced the crypt depth (P < 0.05) in the jejunum, whereas CSB3 exhibited an increase in the villus height (VH; P = 0.048). The CSB3 group showed a markedly elevated ileal VH (P = 0.011). CSB supplementation significantly increased the butyric acid content in the cecum (P = 0.009). The hens fed on the 800 mg/kg CSB diet showed a significant increase (P = 0.029) in butyric acid content in the ileum. The CSB3 group showed an elevation in microbial diversity (P < 0.05). Additionally, at the phylum level, the CSB3 increased the enrichment of Bacteroidetes, the CSB2 increased Firmicutes, and the abundance of Deferribacteres was increased in CSB2 and CSB3 groups (P < 0.05). An enrichment of Muribaculaceae (family) was observed in the CSB3 group. In conclusion, dietary supplementation of CSB improved production, yolk color, intestinal morphology, butyrate content, and microbial composition in laying hens.
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25
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Effects of Different Selenium Sources on the Laying Performance, Egg Quality, Antioxidant, and Immune Responses of Laying Hens under Normal and Cyclic High Temperatures. Animals (Basel) 2022; 12:ani12081006. [PMID: 35454253 PMCID: PMC9028492 DOI: 10.3390/ani12081006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/05/2022] [Accepted: 04/11/2022] [Indexed: 01/01/2023] Open
Abstract
The aim of this study was to evaluate the effects of different selenium (Se) sources on the laying performance, egg quality, antioxidant, and immune responses of laying hens under different temperatures. In an 8-week experiment, a total of 480 44-week-old laying hens were randomly divided into 8 groups, with 6 replicates for each group and 10 hens per replicate, and fed with a basal diet (BK), basal diet with 0.3 mg/kg of Se from sodium selenite (SS), from Se yeast (SY), or from selenium-enriched yeast culture (SYC) under normal temperature (NT, 26 ± 2 °C) and cyclic high temperature (CHT, 26 ± 2 °C~33 ± 2 °C). CHT decreased the laying performance and serum levels of Se, immunoglobulin G (IgG), and interleukin-10 (IL-10), and significantly increased the serum free triiodothyronine (FT3), deiodinase-I (DI-I), and heat stress protein (HSPs) (p < 0.05). In addition, SYC increased the egg yolk color, and SS increased serum IgG level. SS, SY, and SYC reduced the level of interleukin-6 (IL-6) (p < 0.05). In conclusion, Se can increase egg yolk color, antioxidant capacity, and immune capacity under heat stress, and the effect of organic Se is better than that of inorganic Se.
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26
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Comparison of stress biomarkers in laying hens raised under a long-term multiple stress condition. Poult Sci 2022; 101:101868. [PMID: 35477135 PMCID: PMC9058573 DOI: 10.1016/j.psj.2022.101868] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/11/2022] [Accepted: 03/18/2022] [Indexed: 11/23/2022] Open
Abstract
The objective of the current experiment was to compare various stress biomarkers including the heterophil to lymphocyte ratio (H:L ratio) in blood and the corticosterone (CORT) concentrations in feathers, claws, and egg yolk and to find the potential stress biomarkers in laying hens exposed to a long-term multiple stress condition. A total of 24 Hy-Line Brown laying hens at 47 wk of age were allotted to 2 distinct conditions including normal condition (NC) and multiple stress condition (MC) with 8 replicated cages. In NC treatment, 8 hens were raised individually in the cage (0.16 m2/hen) under the temperature of 21 ± 0.6°C. In MC treatment, 16 hens were raised with 2 hens per cage to decrease space allowance (0.08 m2/hen) and the temperature was maintained at 31 ± 1.6°C. The experiment lasted for 8 wk. The common diets and water were fed on an ad libitum basis during the experiment. Results indicated no interactions between stress conditions and duration of stress exposure for all measurements. Hens in MC treatment had a greater (P < 0.01) blood H:L ratio than those in NC treatment. The greater (P < 0.05) H:L ratio for MC treatment was observed at all weeks. Hens in MC treatment had greater (P < 0.05) feather CORT concentrations than those in NC treatment. Feather CORT concentrations were increased (P < 0.05) with duration of the experiment. However, stress conditions did not influence claw CORT concentrations. A tendency (P = 0.081) was observed for greater yolk CORT concentrations in MC treatment than in NC treatment. In conclusion, the H:L ratio in blood and CORT concentrations in feathers and egg yolks are considered potential stress biomarkers in laying hens exposed to stress conditions, although each measurement has its respective limitations. However, CORT concentrations in the claw appear to be insensitive to a long-term stress exposure.
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27
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Cho Y, Kim JY, Kim N. Comparative genomics and selection analysis of Yeonsan Ogye black chicken with whole-genome sequencing. Genomics 2022; 114:110298. [PMID: 35134497 DOI: 10.1016/j.ygeno.2022.110298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 12/24/2021] [Accepted: 02/01/2022] [Indexed: 11/30/2022]
Abstract
Yeonsan Ogye (OGYE; Gallus gallus domesticus) is a rare indigenous chicken breed that inhabits the Korean Peninsula. This breed has completely black coloring, including plumage, skin, eyes, beak, and internal organs. Despite these unique morphological characteristics, the population of OGYE has declined without in-depth research into their genome research. Therefore, this study aimed to compare the whole genome of OGYE to 12 other chicken populations, including ancestral breed, commercial breeds, Chinese indigenous breeds, and Korean native chickens. We focused on revealing the selection signature of OGYE, which has occurred through environmental pressures in the Korean Peninsula. Genome-wide selection analysis has identified local adaptation traits, such as egg development, that contribute to fetal viability and innate immune response to prevent viral and microbes infection in OGYE. In particular, SPP1 (Secreted Phosphoprotein 1), HSP90AA1 (Heat Shock Protein 90 Alpha Family Class A Member 1), and P2RX4 (Purinergic Receptor P2X 4) could have considerable involvement in egg development and RNASEL (Ribonuclease L), BRIP1 (BRCA1 Interacting Protein C-terminal Helicase 1), and TLR4 (Toll-Like Receptor 4) are crucial for the determination of the innate immune response. This study revealed the unique genetic diversity of OGYE at the genome-wide level. Furthermore, we emphasized the sustainable management of genetic resources and formulated breeding strategies for livestock on the Korean Peninsula.
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Affiliation(s)
- Youngbeom Cho
- Genome Editing Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea; Department of Bioinformatics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34141, Republic of Korea
| | - Jae-Yoon Kim
- Genome Editing Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea; Department of Bioinformatics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34141, Republic of Korea
| | - Namshin Kim
- Genome Editing Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea; Department of Bioinformatics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34141, Republic of Korea.
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28
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Wang X, Li P, Zhao J, Jiao H, Lin H. The temporal gene expression profiles of calcium and phosphorus transporters in Hy-Line Brown layers. Poult Sci 2022; 101:101736. [PMID: 35202896 PMCID: PMC8866894 DOI: 10.1016/j.psj.2022.101736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/21/2021] [Accepted: 01/12/2022] [Indexed: 11/07/2022] Open
Abstract
Calcium and phosphorus homeostasis is crucial for the performance and bone health of laying hens. The calcium and phosphorus transporters play an important role in calcium and phosphorus absorption, reabsorption, and excretion. In the present study, Hy-Line Brown layers were sampled at brooding period (1, 4, 6 wk), growing and developing period (12, 18 wk) and laying period (20, 28, 80 wk) respectively, and the calcium transporters CaBP-D28k and PMCA1b and phosphorus transporters NPt2a and NPt2b were respectively measured in duodenum, jejunum, ileum and kidney. The result showed that serum calcium increased (P < 0.0001) and phosphorus level fluctuated (P = 0.0019), while alkaline phosphatase activity decreased with age (P < 0.0001). The mRNA and protein expressions of CaBP-D28k in small intestine elevated after maturity (P ≤ 0.0001). In contrast, the PMCA1b mRNA showed a trend to increase with age in jejunum (P = 0.0059) and ileum (P = 0.0825) whereas there was a decrease for PMCA1b protein in 12-18 wk (P ≤ 0.0009). The peak of NPt2b mRNA were observed at 28 wk in duodenum (P = 0.0001) and jejunum (P = 0.0622) and 1 wk in ileum (P < 0.0001). The NPt2b protein expression reached the top point at 4 or 6 wk and 20 wk and decreased to the lowest point around 12 wk (P ≤ 0.0850). In kidney, CaBP-D28k mRNA was not influenced by age (P = 0.4999), while PMCA1b highly expressed in 6-12 wk (P = 0.0003). The protein expressions of CaBP-D28k (P = 0.0148) and PMCA1b (P = 0.0003) decreased with age and lowly expressed in 12-18 wk and increased thereafter. In contrast, NPt2a expression increased steadily with age and decreased at 80 wk (P < 0.0001). In conclusion, the expressions of intestinal calcium and phosphorus transporters were changed by age, intestinal CaBP-D28k and renal NPt2a showed a dramatic increase after maturity, which coincide with the increased calcium and phosphorus requirement for egg production.
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Biswal J, Vijayalakshmy K, T. K B, Rahman H. Impact of heat stress on poultry production. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2022.2003168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Jyotsnarani Biswal
- South Asia Regional Office, International Livestock Research Institute, New Delhi, India
| | - Kennady Vijayalakshmy
- South Asia Regional Office, International Livestock Research Institute, New Delhi, India
| | - Bhattacharya T. K
- Molecular Genetics, ICAR – Directorate of Poultry Research (DPR), Hyderabad, India
| | - Habibar Rahman
- South Asia Regional Office, International Livestock Research Institute, New Delhi, India
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30
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Li J, Qin Q, Li YX, Leng XF, Wu YJ. Tri-ortho-cresyl phosphate exposure leads to low egg production and poor eggshell quality via disrupting follicular development and shell gland function in laying hens. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112771. [PMID: 34530258 DOI: 10.1016/j.ecoenv.2021.112771] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Tri-ortho-cresyl phosphate (TOCP) has been used commercially as a plasticizer and a flame retardant, which has been reported to cause multiple toxicities in humans and other animals. However, the effect of TOCP on female reproductive system is still unclear. The aim of this investigation was to evaluate the reproductive toxicity of TOCP in female avian and investigate its molecular mechanism. In the current study, 50 adult hens were given a single oral dose of TOCP (750 mg/kg). Egg laid by the hens were harvested and counted. Egg quality is assessed by determining the shell strength and thickness. Samples of ovary, shell gland, and serum were collected on day 0, 2, 7, and 21 after the administration. The morphological and pathological changes in tissues were examined. Cell death, follicular development, and steroidogenesis were determined to assess the toxicity of TOCP on laying hens. The results showed that egg production, egg weight, and eggshell strength significantly decreased after TOCP exposure. The calcium levels in serum and eggshell decreased and the expression levels of the eggshell formation-related genes calbindin-D28k (CaBP-D28k) and carbonic anhydrase 2 (CA2) were downregulated. The inhibitory effects of TOCP on follicular development and steroidogenesis were observed with changes in the levels of the related proteins such as forkhead box O1 (FoxO1) and mothers against decapentaplegic homolog 2/3 (Smad2/3). Cell death was identified, which might lead to follicular development disorder. Taken together, TOCP reduced the quantity and quality of the eggs laid by the hens through disrupting follicular development, steroidogenesis, and shell gland function.
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Affiliation(s)
- Jing Li
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qilian Qin
- Group of Insect Virology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yu-Xia Li
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xin-Fu Leng
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yi-Jun Wu
- Laboratory of Molecular Toxicology, State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
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Ebeid TA, Al-Homidan IH. Organic acids and their potential role for modulating the gastrointestinal tract, antioxidative status, immune response, and performance in poultry. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2022.1988803] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Tarek A. Ebeid
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Ibrahim H. Al-Homidan
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
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32
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Ebeid TA, Al-Homidan IH, Fathi MM. Physiological and immunological benefits of probiotics and their impacts in poultry productivity. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2021.1960239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Tarek A. Ebeid
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Ibrahim H. Al-Homidan
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
| | - Moataz. M. Fathi
- Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, Saudi Arabia
- Department of Poultry Production, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
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33
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Chowdhury VS, Ouchi Y, Han G, Eltahan HM, Haraguchi S, Miyazaki T, Shiraishi JI, Sugino T, Bungo T. Oral administration of L-citrulline changes the concentrations of plasma hormones and biochemical profile in heat-exposed broilers. Anim Sci J 2021; 92:e13578. [PMID: 34235825 DOI: 10.1111/asj.13578] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/15/2021] [Accepted: 05/25/2021] [Indexed: 11/29/2022]
Abstract
We examined the effects of oral administration of L-citrulline (L-Cit) on plasma metabolic hormones and biochemical profile in broilers. Food intake, water intake, and body temperature were also analyzed. After dual oral administration (20 mmol/head/administration) of L-Cit, broilers were exposed to a high ambient temperature (HT; 30 ± 1°C) chamber for 120 min. Oral administration of L-Cit reduced (p < .001) rectal temperature in broilers. Food intake was increased (p < .05) by heat stress, but it was reduced (p < .05) by L-Cit. Plasma levels of 3,5,3'-triiodothyronine, which initially increased (p < .0001) due to heat stress, were reduced (p < .01) by oral administration of L-Cit. Plasma insulin levels were increased by heat exposure (p < .01) and oral L-Cit (p < .05). Heat stress caused a decline (p < .05) in plasma thyroxine. Plasma lactic acid (p < .05) and non-esterified fatty acids (p < .01) were increased in L-Cit-treated heat-exposed broilers. In conclusion, our results suggest that oral L-Cit can modulate plasma concentrations of major metabolic hormones and reduces food intake in broilers.
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Affiliation(s)
- Vishwajit S Chowdhury
- Division for Experimental Natural Science, Faculty of Arts and Science, Kyushu University, Fukuoka, Japan.,Department of Bioresource Sciences, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka, Japan
| | - Yoshimitsu Ouchi
- Department of Bioresource Science, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
| | - Guofeng Han
- Department of Bioresource Sciences, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka, Japan.,Department of Animal Nutrition and Food Science, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Hatem M Eltahan
- Department of Bioresource Sciences, Graduate School of Bioresource and Bioenvironmental Science, Kyushu University, Fukuoka, Japan.,Agriculture Research Center, Animal Production Research Institute, Agriculture Ministry, Cairo, Egypt
| | - Shogo Haraguchi
- Department of Biochemistry, Showa University School of Medicine, Tokyo, Japan
| | - Takuro Miyazaki
- Department of Biochemistry, Showa University School of Medicine, Tokyo, Japan
| | | | - Toshihisa Sugino
- Department of Bioresource Science, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
| | - Takashi Bungo
- Department of Bioresource Science, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
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34
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Olgun O, Abdulqader AF, Karabacak A. The importance of nutrition in preventing heat stress at poultry. WORLD POULTRY SCI J 2021. [DOI: 10.1080/00439339.2021.1938340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- O. Olgun
- Selcuk University, Selçuklu/Konya, Turkey
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35
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Lu MY, Xu L, Qi GH, Zhang HJ, Qiu K, Wang J, Wu SG. Mechanisms associated with the depigmentation of brown eggshells: a review. Poult Sci 2021; 100:101273. [PMID: 34214744 PMCID: PMC8258675 DOI: 10.1016/j.psj.2021.101273] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/08/2021] [Accepted: 05/12/2021] [Indexed: 12/23/2022] Open
Abstract
Eggshell color is an important shell quality trait that influences consumer preference. It is also of particular importance with respect to sexual signaling and the physiological and mechanical properties of shell pigment. Pigments include protoporphyrin IX, biliverdin, and traces of biliverdin zinc chelates, with brown eggs being notably rich in protoporphyrin IX, the synthesis of which has a marked effect on the intensity of brown eggshell color. This pigment is initially synthesized in the eggshell gland within the oviduct of laying hens and is subsequently deposited throughout the cuticular and calcareous layers of brown eggshell. In this review, we describe the factors affecting brown eggshell color and potential targets for the regulation of pigment synthesis. Protoporphyrin IX synthesis might be compromised by synthetase-mediated pigment synthesis, the redox status of the female birds, and regulation of the nuclear transcription factors associated with δ-aminolevulinic acid synthetase1. We believe that this review will provide a valuable reference for those engaged in studying eggshell depigmentation.
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Affiliation(s)
- Ming-Yuan Lu
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China; College of Animal Science and Technology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Li Xu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Guang-Hai Qi
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Hai-Jun Zhang
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Kai Qiu
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jing Wang
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Shu-Geng Wu
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Feed Hazards (Beijing) of the Ministry of Agriculture & Rural Affairs, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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36
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Dalle Zotte A, Cullere M, Pellattiero E, Sartori A, Marangon A, Bondesan V. Is the farming method (cage, barn, organic) a relevant factor for marketed egg quality traits? Livest Sci 2021. [DOI: 10.1016/j.livsci.2021.104453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Patra AK, Kar I. Heat stress on microbiota composition, barrier integrity, and nutrient transport in gut, production performance, and its amelioration in farm animals. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 63:211-247. [PMID: 33987600 PMCID: PMC8071753 DOI: 10.5187/jast.2021.e48] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 12/18/2022]
Abstract
Livestock species experience several stresses, particularly weaning,
transportation, overproduction, crowding, temperature, and diseases in their
life. Heat stress (HS) is one of the most stressors, which is encountered in
livestock production systems throughout the world, especially in the tropical
regions and is likely to be intensified due to global rise in environmental
temperature. The gut has emerged as one of the major target organs affected by
HS. The alpha- and beta-diversity of gut microbiota composition are altered due
to heat exposure to animals with greater colonization of pathogenic microbiota
groups. HS also induces several changes in the gut including damages of
microstructures of the mucosal epithelia, increased oxidative insults, reduced
immunity, and increased permeability of the gut to toxins and pathogens.
Vulnerability of the intestinal barrier integrity leads to invasion of
pathogenic microbes and translocation of antigens to the blood circulations,
which ultimately may cause systematic inflammations and immune responses.
Moreover, digestion of nutrients in the guts may be impaired due to reduced
enzymatic activity in the digesta, reduced surface areas for absorption and
injury to the mucosal structure and altered expressions of the nutrient
transport proteins and genes. The systematic hormonal changes due to HS along
with alterations in immune and inflammatory responses often cause reduced feed
intake and production performance in livestock and poultry. The altered
microbiome likely orchestrates to the hosts for various relevant biological
phenomena occurring in the body, but the exact mechanisms how functional
communications occur between the microbiota and HS responses are yet to be
elucidated. This review aims to discuss the effects of HS on microbiota
composition, mucosal structure, oxidant-antioxidant balance mechanism, immunity,
and barrier integrity in the gut, and production performance of farm animals
along with the dietary ameliorations of HS. Also, this review attempts to
explain the mechanisms how these biological responses are affected by HS.
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Affiliation(s)
- Amlan Kumar Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal 700037, India
| | - Indrajit Kar
- Department of Avian Sciences, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal 700037, India
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38
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Abdel-Moneim AME, Shehata AM, Khidr RE, Paswan VK, Ibrahim NS, El-Ghoul AA, Aldhumri SA, Gabr SA, Mesalam NM, Elbaz AM, Elsayed MA, Wakwak MM, Ebeid TA. Nutritional manipulation to combat heat stress in poultry - A comprehensive review. J Therm Biol 2021; 98:102915. [PMID: 34016342 DOI: 10.1016/j.jtherbio.2021.102915] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 12/20/2022]
Abstract
Global warming and climate change adversely affect livestock and poultry production sectors under tropical and subtropical conditions. Heat stress is amongst the most significant stressors influencing poultry productivity in hot climate regions, causing substantial economic losses in poultry industry. These economic losses are speculated to increase in the coming years with the rise of global temperature. Moreover, modern poultry strains are more susceptible to high ambient temperature. Heat stress has negative effects on physiological response, growth performance and laying performance, which appeared in the form of reducing feed consumption, body weight gain, egg production, feed efficiency, meat quality, egg quality and immune response. Numerous practical procedures were used to ameliorate the negative impacts of increased temperature; among them the dietary manipulation, which gains a great concern in different regions around the world. These nutritional manipulations are feed additives (natural antioxidants, minerals, electrolytes, phytobiotics, probiotics, fat, and protein), feed restriction, feed form, drinking cold water and others. However, in the large scale of poultry industry, only a few of these strategies are commonly used. The current review article deliberates the different practical applications of useful nutritional manipulations to mitigate the heat load in poultry. The documented information will be useful to poultry producers to improve the general health status and productivity of heat-stressed birds via enhancing stress tolerance, oxidative status and immune response, and thereby provide recommendations to minimize production losses due to heat stress in particular under the growing global warming crisis.
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Affiliation(s)
- Abdel-Moneim Eid Abdel-Moneim
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt.
| | - Abdelrazeq M Shehata
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Cairo 11651, Egypt; Department of Dairy Science & Food Technology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India
| | | | - Vinod K Paswan
- Department of Dairy Science & Food Technology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Nashaat S Ibrahim
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt
| | - Abdelkawy A El-Ghoul
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Cairo 11651, Egypt
| | - Sami Ali Aldhumri
- Department of Biology, Khurmah University College, Taif University, Saudi Arabia
| | - Salah A Gabr
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt; Department of Biology, Khurmah University College, Taif University, Saudi Arabia
| | - Noura M Mesalam
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt
| | | | - Mohamed A Elsayed
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt
| | - Magda M Wakwak
- Biological Application Department, Nuclear Research Center, Egyptian Atomic Energy Authority, Abu-Zaabal 13759, Egypt
| | - Tarek A Ebeid
- Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt; Department of Animal Production and Breeding, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia
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Xin Q, Wang M, Jiao H, Zhao J, Li H, Wang X, Lin H. Prolonged scotophase within a 24 hour light regime improves eggshell quality by enhancing calcium deposition in laying hens. Poult Sci 2021; 100:101098. [PMID: 34051406 PMCID: PMC8165574 DOI: 10.1016/j.psj.2021.101098] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/08/2021] [Accepted: 02/27/2021] [Indexed: 11/26/2022] Open
Abstract
Calcium (Ca) and phosphorus (P) transporters are responsible for their absorption and transport in small intestine and kidney, contributing to eggshell formation. The light-dark cycle is a primary cue in the reproduction of laying hen. In this study, we investigated the effect of different light-dark programs on eggshell quality and the expression of genes related to Ca and P transportation in laying hens. Seventy-two 56-week-old laying hens were randomly divided into two groups and reared at 16-h light and 8-h dark (control) or 9-h light and 15-h dark regime (long dark phase, LDP). The expressions of calcium transporter calbindin-D28k (CaBP-D28k), plasma membrane Ca ATPase 1b (PMCA1b), and phosphorus transporter NaPi-IIb (NPt2b) and NaPi-IIa (NPt2a) were measured in the small intestine, kidney, and eggshell gland. The results showed that feed intake (P < 0.001) and egg weight (P = 0.05) were decreased by LDP treatment. Compared with control, the eggshell hardness was increased (P = 0.011) by LDP treatment, but the eggshell thickness and the percentage of eggshell were not changed. The Ca and P contents in eggshell were increased by LDP treatment. During the scotophase, LDP-hens showed higher serum Ca (P = 0.0056) and P levels (P = 0.079) but lower alkaline phosphatase (ALP) activity than that of control hens. In the duodenum, the relative higher expression of CaBP-D28k and PMCA1b in scotophase compared to photophase was masked by LDP treatment. The expression of CaBP-D28k and osteopontin (OPN) in the eggshell gland were increased by LDP treatment, compared to control hens. In the jejunum, the protein expression levels of CaBP-D28k and PMCA1b decreased during photophase in LDP-hens. The result indicates that the increased blood Ca and P concentration during scotophase by LPD treatment is beneficial to the deposition of Ca and P in the eggshell. The result offers an alternative strategy for managing laying hens with poor eggshell quality.
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Affiliation(s)
- Qian Xin
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China
| | - Minghui Wang
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China
| | - Hongchao Jiao
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China
| | - Jingpeng Zhao
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China
| | - Haifang Li
- College of Life Sciences, Shandong Agricultural University, Taian, Shandong 271018, China
| | - Xiaojuan Wang
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China
| | - Hai Lin
- College of Animal Science and Techonology, Shandong Key Lab for Animal Biotechnology and Disease Control, Taian, Shandong 271018, China.
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40
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Vandana GD, Sejian V, Lees AM, Pragna P, Silpa MV, Maloney SK. Heat stress and poultry production: impact and amelioration. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2021; 65:163-179. [PMID: 33025116 DOI: 10.1007/s00484-020-02023-7] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 09/16/2020] [Accepted: 09/20/2020] [Indexed: 06/11/2023]
Abstract
Globally, the poultry industry is gaining significant importance among the agricultural and its allied sectors. However, heat stress was found to negatively affect the poultry production particularly in the tropical regions. This review is therefore an attempt to generate information pertaining to the impacts of heat stress on poultry production and its amelioration. Heat stress reduces the growth, reproductive performance, and egg production in poultry birds. The reduction in productive potential of poultry birds on exposure to heat stress may be attributed to the deviation of energy resources from production to adaptation pathway. There are different approaches pertaining to relieving the adverse impacts of heat stress on poultry production. These approaches can be broadly categorized under genetic, management, and nutritional strategies. These approaches may reduce the negative effects of heat stress and enhance the productive performance of poultry birds. The management strategies include appropriate shelter design, providing shade, using sprinklers, implementing cooling devices, and using fans and ventilation systems. The recommended floor space for mature birds weighing 1.7 kg is 0.06 m2/bird while it is 0.13 m2/bird for the birds weighing 3.5 kg with 27.8 kg/m2 bird density in either case. The nutritional interventions comprise ration balancing and providing essential micronutrients to improve the productive and reproductive performance in poultry birds. Fat, antioxidants, yeast, and electrolyte supplementations are some of the most commonly used nutritional strategies to ensure optimum production in the poultry industry. Furthermore, providing adequate water supply and disease surveillance measures may help to ensure optimum meat and egg production in the birds. The advanced biotechnological tools may aid to identify suitable genetic markers in poultry birds which might help in developing new strains of higher thermo-tolerance by designing suitable breeding program involving marker-assisted selection. These strategies may help to optimize and sustain poultry production in the changing climate scenario.
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Affiliation(s)
- G D Vandana
- ICAR-National Institute of Animal Nutrition and Physiology, Adugodi, Hosur Road, Bangalore, Karnataka, 560030, India
- Academy of Climate Change Education and Research, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala, 680656, India
| | - V Sejian
- ICAR-National Institute of Animal Nutrition and Physiology, Adugodi, Hosur Road, Bangalore, Karnataka, 560030, India.
- Centre for Climate Resilient Animal Adaptation Studies, National Institute of Animal Nutrition and Physiology, Adugodi, Hosur Road, 560030, Bangalore, India.
| | - A M Lees
- School of Environmental and Rural Science, University of New England, Armidale, NSW, 2350, Australia
| | - P Pragna
- ICAR-National Institute of Animal Nutrition and Physiology, Adugodi, Hosur Road, Bangalore, Karnataka, 560030, India
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences Dookie Campus, Dookie College, The University of Melbourne, Melbourne, Victoria, 3647, Australia
| | - M V Silpa
- Institute of Animal Breeding and Genetics, Justus-Liebig-Universität Gießen, 35390, Gießen, Germany
| | - Shane K Maloney
- The School of Human Sciences, The University of Western Australia, Perth, Australia
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41
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Kumar M, Ratwan P, Dahiya SP, Nehra AK. Climate change and heat stress: Impact on production, reproduction and growth performance of poultry and its mitigation using genetic strategies. J Therm Biol 2021; 97:102867. [PMID: 33863431 DOI: 10.1016/j.jtherbio.2021.102867] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 01/15/2021] [Accepted: 01/24/2021] [Indexed: 10/22/2022]
Abstract
Heat stress is an important environmental determinant which adversely affects the performance of poultry worldwide. The present communication reviews the impact of heat stress on production, reproduction and growth performance of poultry, and its alleviation using genetic strategies. The adverse effects of high environmental temperature on poultry include decrease in growth rate, body weight, egg production, egg weight, egg quality, meat quality, semen quality, fertility and hatchability, which cause vast financial losses to the poultry industry. High ambient temperature has an antagonistic effect on performance traits of the poultry. Thus, selection of birds for high performance has increased their susceptibility to heat stress. Additionally, heat burden during transportation of birds from one place to another leads to reduced meat quality, increased mortality and welfare issues. Molecular markers are being explored nowadays to recognize the potential candidate genes related to production, reproduction and growth traits for selecting poultry birds to enhance thermo-tolerance and resistance against diseases. In conclusion, there is a critical need of formulating selection strategies based on genetic markers and exploring more genes in addition to HSP25, 70, 90, H1, RB1CC, BAG3, PDK, ID1, Na, F, dw and K responsible for thermoregulation, to improve the overall performance of poultry along with their ability to tolerate heat stress conditions.
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Affiliation(s)
- Manoj Kumar
- Department of Livestock Farm Complex, LUVAS, Hisar, 125004, Haryana, India.
| | - Poonam Ratwan
- Department of Animal Genetics and Breeding, LUVAS, Hisar, 125004, Haryana, India.
| | - S P Dahiya
- Department of Livestock Farm Complex, LUVAS, Hisar, 125004, Haryana, India.
| | - Anil Kumar Nehra
- Department of Veterinary Parasitology, LUVAS, Hisar, 125004, Haryana, India.
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42
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Methionine supplementing effects on intestine, liver and uterus morphology, and on positivity and expression of Calbindin-D28k and TRPV6 epithelial calcium carriers in laying quail in thermoneutral conditions and under thermal stress. PLoS One 2021; 16:e0245615. [PMID: 33449938 PMCID: PMC7810298 DOI: 10.1371/journal.pone.0245615] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
This study aimed to provide the performance, localization and expression of the epithelial calcium transporter channels Calbindin-D28k (Calb) and TRPV6, and of the morphology of the digestive and reproductive system of laying quail under heat stress (HS), and with methionine supplementation (MS). This study characterized the positivity (immunohistochemistry) and expression (real-time PCR) of calcium channels in the kidneys, intestine and uterus of 504 laying quails under different MS (100, 110 and 120%) and temperatures (20, 24, 28 and 32°C). The animals under HS (32°C) had lower villus height, villus:crypt ratio, and goblet cell index in the duodenum and jejunum, fewer secondary and tertiary uterine folds, smaller hepatic steatosis, and increased number of distal convoluted renal tubules (CT) positive to Calb, and increased positivity in proximal CTs. Deleterious effects of HS were minimized with MS for: duodenal crypts, number of goblet cells of the jejunum, number of uterine folds, decreased Calb positivity in intestines and kidney, increased positivity of Calb in the uterus and increased TRPV6 gene expression in the kidney (P≤0.05). Epithelial calcium transporters were altered due to less need for calcium absorption and reabsorption due to more calcium available with the MS, increasing egg production in HS and quality in termoneutrality (P≤0.05). MS further increased intestinal villus absorption area and height, increased steatosis, decreased Calb positivity in the intestine and kidney, increased uterine positivity of Calb, and increase Calb and TRPV6 expression in the kidney (P≤0.001) under thermoneutrality. It was concluded that the use of MS (120%) is justifiable in order to partially reverse the deleterious effects of HS on the production, in the epithelial calcium carriers, and in the digestory and reproductive morphology of laying quail.
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The Impact of Temperature and Humidity on the Performance and Physiology of Laying Hens. Animals (Basel) 2020; 11:ani11010056. [PMID: 33396835 PMCID: PMC7823783 DOI: 10.3390/ani11010056] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 11/24/2022] Open
Abstract
Simple Summary The present study investigated whether the temperature-humidity index (THI) influences the production parameters and physiology of laying hens. Two environmental conditions combining high temperature with low relative humidity (TLHH75) or vice versa (THHL75), with the same THI value (75), were considered. The same THI value indicated equal thermal stress for laying hens. Neither TLHH75 nor THHL75 affected laying performance, including egg production, egg weight, and egg mass, feed intake, feed conversion ratio, plasma biochemical parameters, and stress indicators. Our study suggests that laying hens exposed to the same THI values will receive similar thermal stresses. The results of this study will serve as a scientific basis for management decisions and handling laying hens under thermally challenging conditions. Abstract We investigated the effect of different ambient temperatures and relative humidity (RH) with the same temperature-humidity indices (THI) on laying performance, egg quality, heterophil to lymphocyte ratio (H/L ratio), corticosterone (CORT) concentration in blood, yolk, and albumen, and plasma biochemical parameters of laying hens. Commercial hens (Hy-Line Brown; n = 120), aged 60 weeks, were allocated to two environmental chambers. Laying hens were subjected to either one of two thermal treatments—26 °C and 70% RH (TLHH75) or 30 °C and 30% RH (THHL75) for 28 days—with the same THI of 75. Neither TLHH75 nor THHL75 affected laying performance, including egg production, egg weight, egg mass, feed intake, and feed conversion ratio (p > 0.05). Plasma biochemical parameters such as total cholesterol, high-density lipoprotein cholesterol, triglycerides, calcium, magnesium, and phosphorus were not altered by the environmental treatments (p > 0.05). As for stress indicators, both environmental regimes failed to affect blood H/L ratio and CORT levels in plasma, yolk, and albumen (p > 0.05), although albumen CORT levels were elevated (p < 0.05) in TLHH75 group at day 7. Hence, our study suggests that laying hens performed and responded similarly when exposed to either TLHH75 or THHL75 characterized by the same THI. These results can serve as a scientific basis for management decisions and handling laying hens under thermally challenging conditions.
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Kim NY, Kim SJ, Oh M, Jang SY, Moon SH. Changes in facial surface temperature of laying hens under different thermal conditions. Anim Biosci 2020; 34:1235-1242. [PMID: 33332943 PMCID: PMC8255873 DOI: 10.5713/ab.20.0647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/01/2020] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE The purpose of this study was to identify through infrared thermal imaging technology the facial surface temperature (FST) of laying hens in response to the variations in their thermal environment, and to identify the regional differences in FST to determine the most stable and reliable facial regions for monitoring of thermoregulatory status in chickens. METHODS Thirty Hy-Line Brown hens (25-week-old) were sequentially exposed to three different thermal conditions; optimal (OT, 22°C±2°C), low (LT, 10°C±4°C), and high temperature (HT, 30°C±2°C). The mean values of FST in five facial regions including around the eyes, earlobes, wattles, beak and nose, and comb were recorded through infrared thermography. The maximum FST (MFST) was also identified among the five face-selective regions, and its relationship with temperature-humidity index (THI) was established to identify the range of MFST in response to the variations in their thermal environment. RESULTS Hens exposed to OT condition at 15:00 displayed a higher temperature at wattles and around the eyes compared to other regions (p<0.001). However, under LT condition at 05:00 to 08:00, around the eyes surface temperature showed the highest value (p<0.01). In HT, wattles temperature tended to show the highest temperature over almost time intervals. Main distribution regions of MFST were wattles (63.3%) and around the eyes (16.7%) in OT, around the eyes (50%) in LT, and wattles (62.2%) and comb (18.3%) in HT. The regression equation between MFST and THI was estimated as MFST = 35.37+ 0.2383×THI (R2 = 0.44; p<0.001). CONCLUSION The FST and the frequency of MFST in each facial region of laying hens responded sensitively to the variations in the thermal environment. The findings of this experiment provide useful information about the effect of the thermal conditions on the specific facial regions, thus offering an opportunity to stress and welfare assessment in poultry research and industry.
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Affiliation(s)
- Na Yeon Kim
- Department of Bio-Convergence Science, College of Biomedical and Health science, Konkuk University, Chungju 27478, Korea
| | - Seong Jin Kim
- Department of Bio-Convergence Science, College of Biomedical and Health science, Konkuk University, Chungju 27478, Korea
| | - Mirae Oh
- National Institute of Animal Science, RDA, Sunghwan 31000, Korea
| | - Se Young Jang
- Department of Bio-Convergence Science, College of Biomedical and Health science, Konkuk University, Chungju 27478, Korea.,Institute of Livestock Environmental Management, Sejong 30127, Korea
| | - Sang Ho Moon
- Department of Bio-Convergence Science, College of Biomedical and Health science, Konkuk University, Chungju 27478, Korea
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Mitochondrial transcription factor A induces the declined mitochondrial biogenesis correlative with depigmentation of brown eggshell in aged laying hens. Poult Sci 2020; 100:100811. [PMID: 33518349 PMCID: PMC7936150 DOI: 10.1016/j.psj.2020.10.065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 11/21/2022] Open
Abstract
Eggshell color is an important characteristic for poultry eggs. Eggs from aged hens usually have poor shell color that is unacceptable for the table egg market. The objective of this study was to examine effects of pigment synthesis and mitochondrial biogenesis on brown eggshell color of aged laying hens. In this trial, 8 hens laying eggs with darker shell color and 8 hens laying eggs with lighter shell color were selected from 300 62-week-old Hy-Line brown-egg laying hens. Results showed that egg weight (P < 0.05), eggshell weight (P < 0.01), protoporphyrin IX (Pp IX) content of the eggshell and the shell gland (P < 0.001), and biliverdin content of the shell gland (P < 0.001) were significantly declined in the light-shell group compared with the dark-shell group. Relative mRNA expression of δ-aminolevulinic acid synthase1 (ALAS1) (P < 0.05), coproporphyrinogen oxidase (P < 0.01), ATP-binding cassette transporter ABCG2 (P < 0.01), and mitochondrial transcription factor A (P < 0.05) was reduced in hens laying lighter brown eggshell. Moreover relative mRNA expression of mitochondrial DNA copy number (P < 0.01), mitochondrial NADH dehydrogenase subunit 4 (P < 0.05), mitochondrial ATP synthase F0 subunit 8 (P < 0.05), and mitochondrial cytochrome c oxidase 1 (P < 0.01) was significantly decreased in the shell gland of the light-shell group. In addition, NAD+ contents of the shell gland were increased in the dark-shell group (P < 0.01). Brown eggshell depigmentation is a result of decreased Pp IX content in the eggshell and the shell gland. Decreased mitochondrial biogenesis may contribute to the depigmentation of brown eggshell by targeting ALAS1 and ALAS1-mediated Pp IX biosynthesis.
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Kang S, Kim DH, Lee S, Lee T, Lee KW, Chang HH, Moon B, Ayasan T, Choi YH. An Acute, Rather Than Progressive, Increase in Temperature-Humidity Index Has Severe Effects on Mortality in Laying Hens. Front Vet Sci 2020; 7:568093. [PMID: 33251258 PMCID: PMC7674306 DOI: 10.3389/fvets.2020.568093] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 09/29/2020] [Indexed: 02/01/2023] Open
Abstract
This study was conducted to evaluate the effects of temperature-humidity index (THI) on the mortality and the panting rates in hens exposed to varying thermal environments. Hens were challenged with an acute elevation in THI in Experiment 1, where dry-bulb temperature and relative humidity were set at ~27°C and 56% at the beginning of the experiment and changed to 36°C and 45% at its conclusion, respectively. In Experiment 2, different groups of hens were exposed to a progressive increase in THI, with similar ranges to those used in the previous experiment. In Experiment 3, the hens used in Experiment 2 were again challenged by THI conditions, the intensity of which ranged between those used in the previous two experiments. In Experiment 4, panting rates were recorded under varying THI. In the last, plasma biochemical profiles were determined in blood taken from hens subjected to experimental conditions similar to those in Experiment 2. When THI was acutely elevated from 24.2° to 32.1°C within 1 h and then maintained over 4.5 h, no mortality was detected in the first hour, but exceeded 95% after 5 h, and reached 100% at 5.5 h. A gradual increase in THI to 31.2°C over 6 h did not result in mortality during the first 3 h. When THI was set below the conditions in Experiment 1 but above those in Experiment 2, mortality was 29% at 4 h, 75% at 5 h, and 79% at 8 h. However, no mortality was detected in their respective control groups. Panting was not observed under 25.3°C and was largely variable under 30°C. However, all hens exhibited panting exceeding 250 counts/min and 60% mortality at 34°C when heat stress continued for a duration of up to 280 min. In Experiment 5, high ambient THI resulted in significant reductions in plasma albumin, amylase and aspartate aminotransferase, compared with those in control group (P < 0.05). These results suggest that an acute elevation of THI has more severe effects on mortality in hens than gradual changes even when temperature and humidity are similar in both cases.
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Affiliation(s)
- Seokmin Kang
- Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju, South Korea
| | - Da-Hye Kim
- Department of Animal Science and Technology, Konkuk University, Seoul, South Korea
| | - Sang Lee
- Department of Animal Science and Technology, Konkuk University, Seoul, South Korea
| | - Taehoon Lee
- Department of Animal Science, Gyeongsang National University, Jinju, South Korea
| | - Kyung-Woo Lee
- Department of Animal Science and Technology, Konkuk University, Seoul, South Korea
| | - Hong-Hee Chang
- Department of Animal Science, Gyeongsang National University, Jinju, South Korea.,Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea
| | | | - Tugay Ayasan
- Kadirli Academy of Applied Science, Osmaniye Korkut Ata University, Osmaniye, Turkey
| | - Yang-Ho Choi
- Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju, South Korea.,Department of Animal Science, Gyeongsang National University, Jinju, South Korea.,Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea
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Thicker Shell Eggs with Enriched N-3 Polyunsaturated Fatty Acids and Lower Yolk Cholesterol Contents, as Affected by Dietary Nettle ( Urtica cannabina) Supplementation in Laying Hens. Animals (Basel) 2020; 10:ani10111994. [PMID: 33138235 PMCID: PMC7692280 DOI: 10.3390/ani10111994] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 10/21/2020] [Accepted: 10/27/2020] [Indexed: 12/23/2022] Open
Abstract
Simple Summary The nettle Urticacannabina (U. cannabina) belongs to the Urticaceae (nettle) family in the major group Angiosperms (flowering plants); it is distributed worldwide in temperate regions. While it was previously considered to be a weed, increasing evidence suggests that it is a valuable nutrient resource and has multiple biological functions when included in both human and animal diets. U. cannabina was given to laying hens in this experiment to study its effect on the hens’ performance, egg quality, yolk fatty acids composition, and serum biochemical parameters. The results revealed that dietary supplementation with U. cannabina has the potential to produce high-quality eggs. The data collected in this experiment can be used to inform further use of this plant to improve the lipid profile and fatty acid composition of eggs produced by hens fed on U. cannabina. Abstract The nettle Urticacannabina (U.cannabina) is not only a functional edible food for humans but also a potential alternative feed resource for poultry, providing protein, fatty acids, vitamins, and minerals. The present study was conducted to evaluate the effects of dietary U.cannabina on the production of high-quality eggs with enriched n-3 polyunsaturated fatty acids (PUFA) and lower cholesterol contents. One hundred and twenty laying hens were assigned to three groups [control, 15% alfalfa meal supplementation (TRTA), and 15% U.cannabina supplementation (TRTU)]. The results showed that the feed intake, yolk color, and shell thickness were increased (p < 0.05) in the U.cannabina group. Moreover, cholesterol contents of the yolk and serum were lower in the U.cannabina group (p < 0.05). The total n-3 PUFA concentration in the yolk was increased while the ratio of n-6/n-3 was reduced in the U.cannabina group (p < 0.01). In conclusion, the dietary inclusion of U.cannabina increased shell thickness, yolk n-3 PUFA levels, and yolk color, and reduced cholesterol contents of the yolk and serum without any negative impacts on health or laying performance.
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Schneiders GH, Foutz JC, Fuller AL, Nelson J, Rekaya R, Aggrey SE. The Effect of Increased Temperatures on Viability, Morphology, Infectivity, and Development of Eimeria tenella. J Parasitol 2020; 106:428-437. [PMID: 32603417 DOI: 10.1645/19-17] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Commonly found in backyard and commercial poultry production, coccidiosis, caused by Eimeria species, presents a self-limiting intestinal infection based on the number of ingested oocysts. Heat stress (HS) is one of the major environmental stressors in poultry, predisposing broiler chickens to immunosuppression and rendering them susceptible to diseases. There are suggestions that HS reduces Eimeria oocyst shedding in chickens; however, the relationship between HS and coccidiosis is not well elucidated. The objective of this study was to investigate the effect of temperature on viability, morphology, infectivity, and development of Eimeria tenella in vitro, and merozoite production and oocyst shedding in vivo. In vitro exposure of sporozoites to 55 C for at least 60 min reduced sporozoites viability as shown by morphological changes and rendering them unable to invade Mardin-Darbi bovine kidney (MDBK) cells. Intracellular development of merozoites was significantly reduced by an increase in 2 C in the optimal temperature of incubation in vitro. Most importantly, the induction of HS in the live chickens caused significantly lower lesion scores, reduced merozoite production, and oocyst shedding, resulting in a much less severe disease outcome.
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Affiliation(s)
- G H Schneiders
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, Georgia 30602
| | - J C Foutz
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, Georgia 30602
| | - A L Fuller
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, Georgia 30602
| | - J Nelson
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602
| | - R Rekaya
- Department of Animal and Dairy Science, University of Georgia, Athens, Georgia 30602
| | - S E Aggrey
- NutriGenomics Laboratory, Department of Poultry Science, University of Georgia, Athens, Georgia 30602
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Abioja MO, Omotara OP, Iyasere OS, Abiona JA, Egbeyale LT, Akinjute OF. Comparative study of adaptation in three chicken genotypes under humid tropical conditions of Nigeria. J Anim Physiol Anim Nutr (Berl) 2020; 104:1401-1409. [DOI: 10.1111/jpn.13381] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 04/03/2020] [Accepted: 04/03/2020] [Indexed: 01/19/2023]
Affiliation(s)
- Monsuru O. Abioja
- Department of Animal Physiology College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
| | - Olufemi P. Omotara
- Department of Animal Physiology College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
| | - Oluwaseun S. Iyasere
- Department of Animal Physiology College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
| | - John A. Abiona
- Department of Animal Physiology College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
| | - Lawrence T. Egbeyale
- Department of Animal Production and Health College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
| | - Obafemi F. Akinjute
- Department of Animal Physiology College of Animal Science and Livestock Production Federal University of Agriculture Abeokuta Nigeria
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Radwan LM. Genetic improvement of egg laying traits in Fayoumi chickens bred under conditions of heat stress through selection and gene expression studies. J Therm Biol 2020; 89:102546. [DOI: 10.1016/j.jtherbio.2020.102546] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 02/14/2020] [Accepted: 02/14/2020] [Indexed: 12/18/2022]
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