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Al Amaz S, Mishra B. Embryonic thermal manipulation: a potential strategy to mitigate heat stress in broiler chickens for sustainable poultry production. J Anim Sci Biotechnol 2024; 15:75. [PMID: 38831417 PMCID: PMC11149204 DOI: 10.1186/s40104-024-01028-1] [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: 11/22/2023] [Accepted: 04/01/2024] [Indexed: 06/05/2024] Open
Abstract
Due to high environmental temperatures and climate change, heat stress is a severe concern for poultry health and production, increasing the propensity for food insecurity. With climate change causing higher temperatures and erratic weather patterns in recent years, poultry are increasingly vulnerable to this environmental stressor. To mitigate heat stress, nutritional, genetic, and managerial strategies have been implemented with some success. However, these strategies did not adequately and sustainably reduce the heat stress. Therefore, it is crucial to take proactive measures to mitigate the effects of heat stress on poultry, ensuring optimal production and promoting poultry well-being. Embryonic thermal manipulation (TM) involves manipulating the embryonic environment's temperature to enhance broilers' thermotolerance and growth performance. One of the most significant benefits of this approach is its cost-effectiveness and saving time associated with traditional management practices. Given its numerous advantages, embryonic TM is a promising strategy for enhancing broiler production and profitability in the poultry industry. TM increases the standard incubation temperature in the mid or late embryonic stage to induce epigenetic thermal adaption and embryonic metabolism. Therefore, this review aims to summarize the available literature and scientific evidence of the beneficial effect of pre-hatch thermal manipulation on broiler health and performance.
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Affiliation(s)
- Sadid Al Amaz
- Department of Human Nutrition, Food and Animal Sciences, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, AgSci 216, 1955 East-West Rd, Honolulu, HI, 96822, USA
| | - Birendra Mishra
- Department of Human Nutrition, Food and Animal Sciences, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, AgSci 216, 1955 East-West Rd, Honolulu, HI, 96822, USA.
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Onagbesan OM, Uyanga VA, Oso O, Tona K, Oke OE. Alleviating heat stress effects in poultry: updates on methods and mechanisms of actions. Front Vet Sci 2023; 10:1255520. [PMID: 37841463 PMCID: PMC10569619 DOI: 10.3389/fvets.2023.1255520] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/08/2023] [Indexed: 10/17/2023] Open
Abstract
Heat stress is a threat that can lead to significant financial losses in the production of poultry in the world's tropical and arid regions. The degree of heat stress (mild, moderate, severe) experienced by poultry depends mainly on thermal radiation, humidity, the animal's thermoregulatory ability, metabolic rate, age, intensity, and duration of the heat stress. Contemporary commercial broiler chickens have a rapid metabolism, which makes them produce higher heat and be prone to heat stress. The negative effect of heat stress on poultry birds' physiology, health, production, welfare, and behaviors are reviewed in detail in this work. The appropriate mitigation strategies for heat stress in poultry are equally explored in this review. Interestingly, each of these strategies finds its applicability at different stages of a poultry's lifecycle. For instance, gene mapping prior to breeding and genetic selection during breeding are promising tools for developing heat-resistant breeds. Thermal conditioning during embryonic development or early life enhances the ability of birds to tolerate heat during their adult life. Nutritional management such as dietary manipulations, nighttime feeding, and wet feeding often, applied with timely and effective correction of environmental conditions have been proven to ameliorate the effect of heat stress in chicks and adult birds. As long as the climatic crises persist, heat stress may continue to require considerable attention; thus, it is imperative to explore the current happenings and pay attention to the future trajectory of heat stress effects on poultry production.
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Affiliation(s)
| | | | - Oluwadamilola Oso
- Centre of Excellence in Avian Sciences, University of Lome, Lomé, Togo
| | - Kokou Tona
- Centre of Excellence in Avian Sciences, University of Lome, Lomé, Togo
| | - Oyegunle Emmanuel Oke
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
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3
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Kim DY, Lim B, Kim JM, Kil DY. Integrated transcriptome analysis for the hepatic and jejunal mucosa tissues of broiler chickens raised under heat stress conditions. J Anim Sci Biotechnol 2022; 13:79. [PMID: 35843965 PMCID: PMC9290309 DOI: 10.1186/s40104-022-00734-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 05/12/2022] [Indexed: 11/29/2022] Open
Abstract
Background Heat stress (HS) is one of the most important threats for the current poultry industry. Therefore, many efforts have been made to ameliorate the adverse effect of HS on poultry production; however, physiological and molecular mechanisms pertaining to HS are still limited in poultry. Therefore, the objective of the current study was to investigate functional alterations based on individual and integrated transcriptomes in the liver and jejunal mucosa tissues of broiler chickens exposed to HS conditions. Results Broiler chickens exposed to HS showed decreased growth performance and increased corticosterone concentrations in the feather. In the transcriptome analysis, the number of differentially expressed genes (DEGs) were identified in the liver and jejunal mucosa by HS conditions. In the liver, genes related to amino acid oxidation, tryptophan metabolism, lipid metabolism, oxidative phosphorylation, and immune responses were altered by HS, which support the reason why heat-stressed poultry had decreased productive performance. In the jejunal mucosa, genes related to defense systems, glutathione metabolism, detoxification of xenobiotics, and immune responses were differently expressed by HS conditions. The integrated transcriptome analysis with DEGs found in the liver and jejunal mucosa showed a considerable connectivity between the core nodes in the constructed networks, which includes glutathione metabolism, xenobiotic metabolism, carbon metabolism, and several amino acid metabolisms. Conclusions The core network analysis may indicate that increased requirement of energy and amino acids in the jejunal mucosa of broiler chickens exposed to HS conditions is likely compromised by increased oxidation and synthesis of amino acids in the liver. Therefore, our results may provide comprehensive insights for molecular and metabolic alterations of broiler chickens raised under HS conditions, which can aid in the development of the novel strategies to ameliorate the negative effect of HS on poultry productivity and health. Supplementary Information The online version contains supplementary material available at 10.1186/s40104-022-00734-y.
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Oladokun S, Adewole DI. Biomarkers of heat stress and mechanism of heat stress response in Avian species: Current insights and future perspectives from poultry science. J Therm Biol 2022; 110:103332. [DOI: 10.1016/j.jtherbio.2022.103332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 09/09/2022] [Accepted: 09/13/2022] [Indexed: 11/28/2022]
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Ramiah SK, Balakrishnan KN, Subramaniam Y, Iyasere OS, Idrus Z. Effects of Thermal Manipulation on mRNA Regulation of Response Genes Regarding Improvement of Thermotolerance Adaptation in Chickens during Embryogenesis. Animals (Basel) 2022; 12:ani12233354. [PMID: 36496875 PMCID: PMC9737942 DOI: 10.3390/ani12233354] [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: 09/29/2022] [Revised: 11/14/2022] [Accepted: 11/24/2022] [Indexed: 12/04/2022] Open
Abstract
The phenomenon of increasing heat stress (HS) among animals is of particular significance when it is seen in economically significant industries, such as poultry. Due to the identification of the physiological, molecular, and genetic roots of HS responses in chickens, a substantial number of studies have focused on reducing the effects of HS in poultry through environmental management, dietary manipulation, and genetic alterations. Temperature manipulation (TM) during embryogenesis has been claimed to increase the thermal tolerance and well-being of chickens without affecting their capacity for future growth. There has been little investigation into the vulnerability of the epigenome involving TM during embryogenesis, although the cellular pathways activated by HS have been explored in chickens. Epigenetic changes caused by prenatal TM enhance postnatal temperature adaption and produce physiological memory. This work offers a thorough analysis that explains the cumulative impact of HS response genes, such as genes related to heat shock proteins, antioxidants, and immunological genes, which may aid in the enhanced adaptability of chickens that have undergone thermal manipulation during their embryonic stages.
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Affiliation(s)
- Suriya Kumari Ramiah
- Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
- Correspondence: (S.K.R.); (K.N.B.); Tel.: +60-3-9769-4286 (S.K.R.)
| | - Krishnan Nair Balakrishnan
- Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
- Correspondence: (S.K.R.); (K.N.B.); Tel.: +60-3-9769-4286 (S.K.R.)
| | - Yashini Subramaniam
- Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
| | - Oluwaseun Serah Iyasere
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta P.M.B 2240, Nigeria
| | - Zulkifli Idrus
- Laboratory of Sustainable Animal Production and Biodiversity, Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia (UPM), Serdang 43400, Malaysia
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Kadawarage RW, Dunislawska A, Siwek M. Ecological footprint of poultry production and effect of environment on poultry genes. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2021-0128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
The growing demand for poultry meat and eggs has forced plenty of changes in poultry production in recent years. According to FAO, the total number of poultry in the world in 2019 was 27.9 billion. About 93% of them are chickens. The number of chickens has doubled in the last 30 years. These animals are the most numerous in Asia and America. Hence, poultry meat is the most frequently obtained type of meat in recent years (it is 40.6% of the obtained meat). Focusing on lowering production costs has led to process optimization, which was possible by improving the use of animal genetics, optimizing feeding programs, and new production technologies. The applied process optimization and production increase practices may also lead to a deterioration of the ecological balance through pollution with chemical substances, water consumption, and natural resources. The aim of this paper was to review the current state of knowledge in the field of the ecological footprint of poultry production and the impact on environmental genes.
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Affiliation(s)
- Ramesha Wishna Kadawarage
- Department of Animal Biotechnology and Genetics , Bydgoszcz University of Science and Technology , Mazowiecka 28, 85-796 Bydgoszcz , Poland
| | - Aleksandra Dunislawska
- Department of Animal Biotechnology and Genetics , Bydgoszcz University of Science and Technology , Mazowiecka 28, 85-796 Bydgoszcz , Poland
| | - Maria Siwek
- Department of Animal Biotechnology and Genetics , Bydgoszcz University of Science and Technology , Mazowiecka 28, 85-796 Bydgoszcz , Poland
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Xu P, Lin H, Jiao H, Zhao J, Wang X. Advances in epigenetic mechanisms of chick embryo heat acclimation. WORLD POULTRY SCI J 2022. [DOI: 10.1080/00439339.2022.2094845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Peng Xu
- College of Animal Science & Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, Shandong, China
| | - Hai Lin
- College of Animal Science & Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, Shandong, China
| | - Hongchao Jiao
- College of Animal Science & Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, Shandong, China
| | - Jingpeng Zhao
- College of Animal Science & Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, Shandong, China
| | - Xiaojuan Wang
- College of Animal Science & Technology, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, Shandong, China
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Kuibida VV, Kohanets PP, Lopatynska VV. Temperature, heat shock proteins and growth regulation of the bone tissue. REGULATORY MECHANISMS IN BIOSYSTEMS 2022. [DOI: 10.15421/022205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Ambient heat modulates the elongation of bones in mammals, and the mechanism of such a plasticity has not been studied completely. The influence of heat on growth and development of bone depends on its values. Five zones of temperature influence on the bone tissue with different biological effects have been distinguished : a) under-threshold thermal zone < 36.6 ºС, insufficient amount of heat is a limiting factor for osteogenesis; b) normal temperature zone 36.6‒37.5 ºС, the processes of breakdown and development of bone in this temperature range is balanced; b) zone of mild thermal shock 39‒41 ºС, the processes of functioning of osteoblasts, osteocytes and formation of the bone tissue intensify; d) the zone of sublethal thermal shock > 42 ºС, growth of bone slows; e) zone of non-critical shock > 50 ºС, bone tissue cells die. We propose a model of the mechanism of influence of heat shock on bone growth. Mild heat shock is a type of stress to which membrane enzymes adenylyl cyclase and cAMP-protein kinase react. Protein kinase A phosphorylates the gene factors of thermal shock proteins, stress proteins and enzymes of energy-generating processes – glycolysis and lipolysis. Heat shock protein HSP70 activates alkaline phosphatase and promotes the process of mineralization of the bone tissue. In the cells, there is intensification in syntheses of insulin-like growth factor-I, factors of mitogenic action, signals of intensification of blood circulation (NO) and synthesis of somatotropin. The affinity between insulin-like growth factor I and its acid-labile subunit decreases, leading to increased free and active insulin-like growth factor I. Against the background of acceleration of the capillarization process, energy generation and the level of stimulators of growth of bone tissue, mitotic and functional activities of producer cells of the bone – osteoblasts and osteocytes – activate. The generally known Allen’s rule has been developed and expanded: “Warm-blooded animals of different species have longer distal body parts (tails) if after birth the young have developed in the conditions of higher temperature”. The indicated tendency is realized through increased biosynthesis of heat shock proteins and other stimulators of growth processes in the bone tissue.
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Goel A, Ncho CM, Jeong CM, Choi YH. Embryonic Thermal Manipulation and in ovo Gamma-Aminobutyric Acid Supplementation Regulating the Chick Weight and Stress-Related Genes at Hatch. Front Vet Sci 2022; 8:807450. [PMID: 35071394 PMCID: PMC8777219 DOI: 10.3389/fvets.2021.807450] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/03/2021] [Indexed: 01/19/2023] Open
Abstract
Chickens are exposed to numerous types of stress from hatching to shipping, influencing poultry production. Embryonic manipulation may develop resistance against several stressors. This study investigates the effects of thermoneutral temperature (T0; 37.8°C) with no injection (N0) (T0N0), T0 with 0.6 ml of 10% in ovo gamma-aminobutyric acid (GABA) supplementation (N1) at 17.5th embryonic day (ED) (T0N1), thermal manipulation (T1) at 39.6°C from the 10th to 18th ED (6 h/day) with N0 (T1N0), and T1 with N1 (T1N1) on hatchability parameters and hepatic expression of stress-related genes in day-old Arbor Acres chicks. The parameters determined were hatchability, body weight (BW), organ weight, hepatic malondialdehyde (MDA), and antioxidant-related gene expression. Percent hatchability was calculated on a fertile egg basis. Growth performance was analyzed using each chick as an experimental unit. Eight birds per group were used for organ weight. Two-way ANOVA was used taking temperature and GABA as the main effect for growth performance and gene expression studies. Analysis was performed using an IBM SPSS statistics software package 25.0 (IBM software, Chicago, IL, USA). Hatchability was similar in all the groups and was slightly lower in the T1N1. Higher BW was recorded in both T1 and N1. Intestinal weight and MDA were higher in T0N1 against T0N0 and T1N1, respectively. The expression of HSP70, HSP90, NOX1, and NOX4 genes was higher and SOD and CAT genes were lower in the T1 group. The present results show that T1 and N1 independently improve the BW of broiler chicks at hatch, but T1 strongly regulates stress-related gene expression and suggests that both T1 and N1 during incubation can improve performance and alleviate stress after hatch.
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Affiliation(s)
- Akshat Goel
- Department of Animal Science, Gyeongsang National University, Jinju, South Korea.,Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea
| | - Chris Major Ncho
- Department of Animal Science, Gyeongsang National University, Jinju, South Korea.,Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea
| | - Chae-Mi Jeong
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea.,Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju, South Korea
| | - Yang-Ho Choi
- Department of Animal Science, Gyeongsang National University, Jinju, South Korea.,Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, South Korea.,Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University, Jinju, South Korea
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10
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Andrieux C, Petit A, Collin A, Houssier M, Métayer-Coustard S, Panserat S, Pitel F, Coustham V. Early Phenotype Programming in Birds by Temperature and Nutrition: A Mini-Review. FRONTIERS IN ANIMAL SCIENCE 2022. [DOI: 10.3389/fanim.2021.755842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Early development is a critical period during which environmental influences can have a significant impact on the health, welfare, robustness and performance of livestock. In oviparous vertebrates, such as birds, embryonic development takes place entirely in the egg. This allows the effects of environmental cues to be studied directly on the developing embryo. Interestingly, beneficial effects have been identified in several studies, leading to innovative procedures to improve the phenotype of the animals in the long term. In this review, we discuss the effects of early temperature and dietary programming strategies that both show promising results, as well as their potential transgenerational effects. The timing, duration and intensity of these procedures are critical to ensure that they produce beneficial effects without affecting animal survival or final product quality. For example, cyclic increases in egg incubation temperature have been shown to improve temperature tolerance and promote muscular growth in chickens or fatty liver production in mule ducks. In ovo feeding has also been successfully used to enhance digestive tract maturation, optimize chick development and growth, and thus obtain higher quality chicks. In addition, changes in the nutritional availability of methyl donors, for example, was shown to influence offspring phenotype. The molecular mechanisms behind early phenotype programming are still under investigation and are probably epigenetic in nature as shown by recent work in chickens.
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11
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Oke OE, Uyanga VA, Iyasere OS, Oke FO, Majekodunmi BC, Logunleko MO, Abiona JA, Nwosu EU, Abioja MO, Daramola JO, Onagbesan OM. Environmental stress and livestock productivity in hot-humid tropics: Alleviation and future perspectives. J Therm Biol 2021; 100:103077. [PMID: 34503814 DOI: 10.1016/j.jtherbio.2021.103077] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 08/08/2021] [Accepted: 08/09/2021] [Indexed: 11/26/2022]
Abstract
Tropical environments are characterized by persistently high temperature and relative humidity and the harsh environmental conditions pose a serious limitation on the optimal performance of the animals raised in this region. Heat stress causes deleterious effects on welfare, immunology and physiology of farm animals with a resultant impact on their productivity as the use of body resources is re-organized and the metabolic priorities of animals shift away from production, growth, health and reproduction. It is imperative to understand the mechanisms involved in the thermoregulation of animals under tropical conditions in order to develop appropriate strategies for their improvement. This review focuses on the available data on the increasing global temperature and the adverse impact of tropical conditions on animals' adaptive mechanism affected during thermal stress on production performance, intestinal and ileal microbiome, physiological responses, antioxidant system, metabolic responses, cellular and molecular response, adaptive mechanism strategies to heat stress and also strategies to palliate environmental stress on livestock under humid tropical conditions including environmental manipulation, genetic opportunity, epigenetic and feeding modification. Overall, the present review has identified the disturbance in the physiological indices of tropical livestock and the need for concerted efforts in ameliorating the adverse impacts of high ambient temperature aggravated by high humidity on livestock in tropical environments. Further research is needed on genotype-by-environment interaction on the thermotolerance of different livestock species in the tropics.
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Affiliation(s)
- O E Oke
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria.
| | - V A Uyanga
- Depart of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Shandong, China
| | - O S Iyasere
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - F O Oke
- Department of Agricultural Economics and Farm Management, Federal University of Agriculture, Abeokuta, Nigeria
| | - B C Majekodunmi
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - M O Logunleko
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - J A Abiona
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - E U Nwosu
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - M O Abioja
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - J O Daramola
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
| | - O M Onagbesan
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Nigeria
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12
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Madkour M, Aboelenin MM, Shakweer WME, Alfarraj S, Alharbi SA, Abdel-Fattah SA, Alagawany M. Early life thermal stress modulates hepatic expression of thermotolerance related genes and physiological responses in two rabbit breeds. ITALIAN JOURNAL OF ANIMAL SCIENCE 2021. [DOI: 10.1080/1828051x.2021.1914207] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mahmoud Madkour
- Animal Production Department, National Research Centre, Dokki, Egypt
| | | | | | - Saleh Alfarraj
- Zoology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sayed A. Abdel-Fattah
- Faculty of Agriculture, Poultry Production Department, Ain Shams University, Cairo, Egypt
| | - Mahmoud Alagawany
- Faculty of Agriculture, Poultry Department, Zagazig University, Zagazig, Egypt
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13
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Goel A. Heat stress management in poultry. J Anim Physiol Anim Nutr (Berl) 2021; 105:1136-1145. [PMID: 33417275 DOI: 10.1111/jpn.13496] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 11/03/2020] [Accepted: 12/02/2020] [Indexed: 12/16/2022]
Abstract
High ambient temperature is one of the major causes of economic losses in the livestock industry. The poultry industry is an integral part of the livestock industry. It faces severe losses due to heat stress (HS). The adverse effects of HS can be seen on production performance, body temperature, intestinal health, appetite hormone regulation, immune responses and oxidative characteristics. It is important to monitor these parameters to identify the HS possessions during rearing so that timely action can be taken to minimize the adverse effects of high ambient temperature. Furthermore, the application of productive methods on farms is equally important. Several strategies have been suggested by researchers. Providing a suitable environment with selective rearing systems along with proper ventilation and hygiene is the basic requirement for all types of livestock reared for animal protein. Supplementation of appropriate feed additive could be useful for improving intestinal absorption and minimizing adverse effects of HS. Selection for breeding heat resistant birds also provide merits for improving the germplasm of the strains. Early age thermal conditioning also helps in developing resistance for HS. The most recent advancement is the supplementation of active substances during incubation. It is expected that these methods may have a potential impact on the poultry industry for creating thermotolerance in the newly hatched chicks. This review highlights the major issues concerning chicken health and suggests the measures to be adopted following the increase in environmental temperature.
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Affiliation(s)
- Akshat Goel
- Department of Animal Science, Gyeongsang National University, Jinju, Korea
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14
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Scudiero R, Verderame M, Motta CM, Migliaccio V, Simoniello P. HSP70 localization in Podarcissiculus embryos under natural thermal regime and following a non-lethal cold shock. C R Biol 2019; 342:299-308. [PMID: 31734081 DOI: 10.1016/j.crvi.2019.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 10/07/2019] [Indexed: 11/30/2022]
Abstract
The Heat Shock Proteins (HSPs) are a superfamily of molecular chaperones that maintain cellular homeostasis under stress. HSP70 represents the major stress-inducible family member, often activated in response to changes in thermal ranges of organisms, and therefore playing an important role enhancing thermal tolerance limits in ectothermic animals. The present study aimed to investigate the presence and the localization of HSP70 through the development of Podarcis siculus, an oviparous lizard inhabiting temperate Mediterranean regions, showing a limited potential to tolerate thermal changes during embryogenesis. Immunohistochemical analysis demonstrated that HSP70 protein is constitutively present in early embryonic stages, abundantly distributed in eye, in encephalic domains (predominantly in ventricular areas and in grey matter), in grey matter of spinal cord, in lung, gut mucosa, hepatic cords and kidney tubules. Interestingly, a severe drop in incubation temperature (5°C for 3 days) does not induce enhancements in HSP70 levels nor changes in tissues localization. These results suggest that the HSP70 found in P. siculus embryos represents a non-inducible, constitutive molecular chaperone that should be better called Heat Shock Cognate 70 (HSC70); the presence of stress-induced members of the HSP family in P. siculus has yet to be proven.
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Affiliation(s)
- Rosaria Scudiero
- Department of Biology, University Federico II, via Cintia, 80126 Napoli, Italy.
| | | | - Chiara Maria Motta
- Department of Biology, University Federico II, via Cintia, 80126 Napoli, Italy
| | - Vincenzo Migliaccio
- Department of Biology, University Federico II, via Cintia, 80126 Napoli, Italy
| | - Palma Simoniello
- Department of Science and Technologies, University of Naples Parthenope, 80143 Napoli, Italy
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L-Arginine alleviates heat stress-induced intestinal epithelial barrier damage by promoting expression of tight junction proteins via the AMPK pathway. Mol Biol Rep 2019; 46:6435-6451. [PMID: 31576512 DOI: 10.1007/s11033-019-05090-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 09/22/2019] [Indexed: 01/11/2023]
Abstract
Heat stress (HS) and secondary restricted blood flow to the intestines cause dysfunction of the intestinal epithelial barrier. Tight junctions (TJs) are essential to maintain intestinal integrity. L-Arginine has beneficial effects on gut functions. However, the underlying mechanisms remain largely unknown. This study tested the hypothesis that L-arginine regulates the TJ network by activating AMP-activated protein kinase (AMPK) signaling, which in turn improves intestinal barrier functions under HS. IEC-6 cells and rat small intestines were used as experiment models of heat stress. AICAR and dorsomorphin were used to activate and inhibit the AMPK pathway, respectively. Cell proliferation, apoptosis, differential gene expression and KEGG pathway analysis, intestinal paracellular permeability, intestinal morphology, and expression of HSP and TJ proteins, and p-AMPK were determined. L-Arginine promoted cell proliferation and reduced apoptosis after heat exposure at an optimal concentration of 5 mmol. Transcriptome sequencing analysis revealed that differentially expressed genes associated with the HSP family and TJs were elevated by L-arginine. According to KEGG pathway analysis, L-arginine activated the AMPK signaling pathway. In vivo, intestinal damage resulted in obvious morphological changes as well as apoptosis with TUNEL and caspase-3 staining under HS and dorsomorphin treatments. Furthermore, HS and dorsomorphin increased the serum D-lactate concentration, diamine oxidase activity, and mRNA expression level of MLCK (P < 0.05). In contrast, L-arginine and AICAR treatments reduced intestinal injury, maintained intestinal permeability, and increased the villus/crypt ratio under hyperthermia. L-Arginine had the same effect as AICAR both in vitro and in vivo, namely increasing p-AMPK protein expression. L-Arginine and AICAR also upregulated the mRNA expression level of HSP70 and HSP90, and downregulated mRNA expression of MLCK (P < 0.05). The protein expression levels of TJ proteins ZO-1 and claudin-1 were suppressed by heat stroke and dorsomorphin, but enhanced by L-arginine and AICAR. Our findings indicate that activation of AMPK signaling by L-arginine is associated with improved intestinal mucosal barrier functions by enhancing the expression of TJs in rat small intestines and IEC-6 cells during HS.
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