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Shashank CG, Prashant RG, Kumar P, Kulkarni NA, Tiwari M, Jayakumar S, Sejian V. Comparative assessment of growth performance of indigenous and cross-bred calves subjected to combined stressors (heat and nutritional). INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2023; 67:1435-1450. [PMID: 37418176 DOI: 10.1007/s00484-023-02511-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/31/2023] [Accepted: 06/21/2023] [Indexed: 07/08/2023]
Abstract
This study evaluated the impact of combined stressors (heat and nutritional stresses) on the growth and adaptive capability of Sahiwal (SW) and Karan Fries (KF) calves during the summer season. Calves in each breed were randomly divided into four groups. In SW breed the groupings were as follows: SWC (n = 4; Sahiwal Control); SWHS (n = 4; Sahiwal Heat Stress); SWNS (n = 4; Sahiwal Nutritional Stress) and SWCS (n = 4; Sahiwal Combined Stresses). Likewise, in the KF breed, KFC (n = 4; Karan Fries Control); KFHS (n = 4; Karan Fries Heat Stress); KFNS (n = 4; Karan Fries Nutritional Stress), and KFCS (n = 4; Karan Fries Combined Stresses). Control (C) and Heat Stress (HS) calves were fed ad libitum while Nutritional Stress (NS) and Combined Stresses (CS) calves were fed restricted feed (50% of C calves of respective breed) to induce nutritional stress in both the breeds. SWHS, SWCS, KFHS, and KFCS were exposed to summer heat stress from 1000 to 1600 h. All growth and adaptation variables were recorded at fortnightly intervals. Respiration rate, pulse rate, and rectal temperature during the afternoon were significantly (P < 0.01) higher in the CS group in both breeds. Further, CS had significantly (P < 0.05) higher plasma growth hormone and cortisol levels. Insulin-like growth factor-1, Triiodothyronine, and Thyroxine levels significantly decreased (P < 0.05) in the CS group in both breeds. Interestingly, heat stress didn't affect SWHS and KFHS bodyweight, however, a significant (P < 0.05) decrease in body weight of SWCS and KFCS was observed when compared with C. Hepatic mRNA expression of growth hormone, insulin-like growth factor-1, and growth hormone receptor significantly (P < 0.05) varied when compared between C and CS groups in both the breeds. The overall magnitude of stress was more pronounced in KF compared to the SW breed. This study concludes that when two stressors occur concurrently, they may have a greater influence on the adaptive capability of calves. Further, SW had better tolerance levels than KF, confirming the indigenous breed's superiority over cross-bred.
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Affiliation(s)
- C G Shashank
- ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India.
| | - R G Prashant
- ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Parveen Kumar
- ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Nitish A Kulkarni
- ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Manish Tiwari
- ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - S Jayakumar
- ICAR-National National Bureau of Animal Genetics Resources, Karnal, 132001, Haryana, India
| | - V Sejian
- ICAR-National Institute of Animal Nutrition and Physiology, Audugodi, Bangalore, 560030, Karnataka, India
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DiGiacomo K, Simpson S, Leury BJ, Dunshea FR. Dietary Betaine Impacts Metabolic Responses to Moderate Heat Exposure in Sheep. Animals (Basel) 2023; 13:1691. [PMID: 37238121 PMCID: PMC10215872 DOI: 10.3390/ani13101691] [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: 04/22/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023] Open
Abstract
Dietary betaine supplementation can ameliorate physiological responses to heat exposure (HE) in sheep. This experiment measured metabolic responses to glucose (intravenous glucose tolerance, IVGTT), insulin (insulin tolerance test, ITT), and adrenocorticotropic hormone (ACTH) challenges in Merino ewes (n = 36, 39.7 kg) maintained at thermoneutral (TN, 21 °C) or HE (18-43 °C) and supplemented with either 0, 2, or 4 g/day dietary betaine (n = 6 per group). Sheep had ad libitum access to water and were pair-fed such that the intake of the TN sheep mimicked that of the HE sheep. After 21 days of treatment, sheep were fitted with jugular catheters and subjected to consecutive daily challenges (IVGTT, ITT, and ACTH, d 21-23, respectively), followed by skeletal muscle and subcutaneous adipose tissue biopsy collections for gene expression analysis (d 24). The HE-treated sheep had a greater insulin:glucose ratio (p = 0.033), a greater estimated homeostatic model assessment of insulin resistance (HOMAIR; p = 0.029), and a reduced revised quantitative insulin sensitivity check index (RQUICKI; p = 0.015). Sheep fed betaine (2 + 4 g/day) had a greater basal plasma insulin (p = 0.017) and a reduced basal non-esterified fatty acid (NEFA; p = 0.036) concentration, while the RQUICKI was reduced (p = 0.001) in sheep fed betaine. The results suggested that betaine supplementation alters lipid metabolism by potentially improving insulin signaling, although these responses differ between TN and HE conditions. There was no other impact of temperature or dietary treatments on the tissue gene expressions measured. Our results support the notion that betaine, in part, acts to modify lipid metabolism.
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Affiliation(s)
- Kristy DiGiacomo
- School of Agriculture, Food and Ecosystem Science, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia (B.J.L.); (F.R.D.)
| | - Sarah Simpson
- School of Agriculture, Food and Ecosystem Science, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia (B.J.L.); (F.R.D.)
| | - Brian J. Leury
- School of Agriculture, Food and Ecosystem Science, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia (B.J.L.); (F.R.D.)
| | - Frank R. Dunshea
- School of Agriculture, Food and Ecosystem Science, Faculty of Science, The University of Melbourne, Parkville, VIC 3010, Australia (B.J.L.); (F.R.D.)
- Faculty of Biological Sciences, The University of Leeds, Leeds LS2 9JT, UK
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Ruiz-González A, Suissi W, Baumgard LH, Martel-Kennes Y, Chouinard PY, Gervais R, Rico DE. Increased dietary vitamin D 3 and calcium partially alleviate heat stress symptoms and inflammation in lactating Holstein cows independent of dietary concentrations of vitamin E and selenium. J Dairy Sci 2023; 106:3984-4001. [PMID: 37164847 DOI: 10.3168/jds.2022-22345] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 01/19/2023] [Indexed: 05/12/2023]
Abstract
Twelve multiparous Holstein cows (42.2 ± 5.6 kg of milk/d; 83 ± 27 d in milk) were used in a split-plot design testing the effects of mineral and vitamin supplementation on the time course of animal performance, metabolism, and inflammation markers during heat stress. The main plot was the average concentrations of dietary vitamin E and Se (adequate: 11.1 IU/kg of vitamin E and 0.55 mg/kg of Se, and high: 223 IU/kg of vitamin E and 1.8 mg/kg of Se, respectively). Within each plot, cows were randomly assigned to (1) heat stress (HS) with adequate concentrations of vitamin D3 and Ca (1,012 IU/kg and 0.73%, respectively), (2) HS with high concentrations of vitamin D3 and Ca (HS+D3/Ca; 3,764 IU/kg and 0.97%, respectively), or (3) pair-feeding (PF) in thermoneutrality with adequate concentrations of vitamin D3 and Ca (1,012 IU/kg and 0.73% Ca) in a Latin square design with 14-d periods and 7-d washouts. The highest rectal temperature was recorded at 1700 h for HS (39.4°C; mean of d 1 to 14), being 1.2 and 0.8°C greater than for PF and HS+D3/Ca, respectively. Respiratory rate and water intake were higher in HS (73 breaths/min and 115 L/d, respectively) relative to PF (28 breaths/min and 76 L/d). Heat stress decreased dry matter intake progressively, reaching a nadir on d 5 to 7 (33% reduction) and was not different between treatments. Milk yield decreased progressively in all treatments, but remained greater in PF relative to HS from d 3 to 14 (10%), whereas HS and HS+D3/Ca were not different. Milk fat, protein, and lactose concentrations and yields were lower in HS relative to PF from d 3 to 14, but not different between HS and HS+D3/Ca. Relative to PF, preprandial insulin concentrations were increased in HS, whereas plasma nonesterified fatty acids were decreased on d 7 and 14. Plasma lipopolysaccharide-binding protein concentrations increased in HS cows on d 7 and 14, respectively, relative to PF, whereas they were reduced in HS + D3/Ca on d 14. Plasma C-reactive protein, tumor necrosis factor-α, and fecal calprotectin were increased in HS relative to both PF and HS+D3/Ca on d 7 and 14. Rectal temperature was positively associated with plasma lipopolysaccharide-binding protein (r = 0.72), tumor necrosis factor-α (r = 0.74), C-reactive protein (r = 0.87), and with milk somatic cells (r = 0.75). Plasma 8-hydroxy-2-deoxyguanosine concentrations presented a 3-way interaction, where 8-hydroxy-2-deoxyguanosine was lower in HS than in PF on d 7 and 14, and lower in HS+D3/Ca relative to HS on d 14 in the adequate vitamin E and Se treatment, but no effects were observed in the high vitamin E and Se group. Plasma superoxide dismutase concentrations increased over time, and were higher in HS relative to PF on d 14, whereas HS+D3/Ca was similar to HS. Heat stress markedly reduced milk production and milk components while increasing markers of leaky gut and inflammation. In contrast, vitamin D3 and Ca supplementation reduced hyperthermia (d 7-14), markers of leaky gut, and inflammation independent of dietary concentrations of vitamin E and Se.
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Affiliation(s)
- A Ruiz-González
- Département des Sciences Animales, Université Laval, Québec, QC, Canada
| | - W Suissi
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames 50011
| | - Y Martel-Kennes
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada
| | - P Y Chouinard
- Département des Sciences Animales, Université Laval, Québec, QC, Canada
| | - R Gervais
- Département des Sciences Animales, Université Laval, Québec, QC, Canada
| | - D E Rico
- Centre de Recherche en Sciences Animales de Deschambault (CRSAD), Deschambault, QC, Canada.
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Abeyta MA, Horst EA, Goetz BM, Mayorga EJ, Rodriguez-Jimenez S, Caratzu M, Baumgard LH. Effects of hindgut acidosis on production, metabolism, and inflammatory biomarkers in previously immune-activated lactating dairy cows. J Dairy Sci 2023; 106:4324-4335. [PMID: 37080781 DOI: 10.3168/jds.2022-22696] [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: 08/24/2022] [Accepted: 01/08/2023] [Indexed: 04/22/2023]
Abstract
Previous stressors and systemic inflammation may increase the intestine's susceptibility to hindgut acidosis (HGA). Therefore, our experimental objectives were to evaluate the effects of isolated HGA on metabolism, production, and inflammation in simultaneously immune-activated lactating cows. Twelve rumen-cannulated Holstein cows (118 ± 41 d in milk; 1.7 ± 0.8 parity) were enrolled in a study with 3 experimental periods (P). Baseline data were collected during P1 (5 d). On d 1 of P2 (2 d), all cows received an i.v. lipopolysaccharide (LPS) bolus (0.2 µg/kg of body weight; BW). During P3 (4 d), cows were randomly assigned to 1 of 2 abomasal infusion treatments: (1) control (LPS-CON; 6 L of H2O/d; n = 6) or (2) starch infused (LPS-ST; 4 kg of corn starch + 6 L of H2O/d; n = 6). Treatments were allocated into 4 equal doses (1.5 L of H2O or 1 kg of starch and 1.5 L of H2O, respectively) and administered at 0000, 0600, 1200, and 1800 h daily. Additionally, both treatments received i.v. LPS on d 1 and 3 of P3 (0.8 and 1.6 µg/kg of BW, respectively) to maintain an inflamed state. Effects of treatment, time, and their interaction were assessed. Repeated LPS administration initiated and maintained an immune-activated state, as indicated by increased circulating white blood cells (WBC), serum amyloid A (SAA), and LPS-binding protein (LBP) during P2 and P3 (29%, 3-fold, and 50% relative to P1, respectively) for both abomasal infusion treatments. Regardless of abomasal treatment, milk yield and dry matter intake were decreased throughout P2 and P3 but with lesser severity following each LPS challenge (54, 44, and 37%, and 49, 42, and 40% relative to baseline on d 1 of P2, d 1 and d 3 of P3, respectively). As expected, starch infusions markedly decreased fecal pH (5.56 at nadir vs. 6.57 during P1) and increased P3 fecal starch relative to LPS-CON (23.7 vs. 2.4% of dry matter). Neither LPS nor starch infusions altered circulating glucose, insulin, nonesterified fatty acids, or β-hydroxybutyrate, although LPS-ST cows had decreased blood urea nitrogen throughout P3 (16% relative to LPS-CON). Despite the striking reduction in fecal pH, HGA had no additional effect on circulating WBC, SAA, or LBP. Thus, in previously immune-activated dairy cows, HGA did not augment the inflammatory state, as indicated by a lack of perturbations in production, metabolism, and inflammatory biomarkers.
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Affiliation(s)
- M A Abeyta
- Department of Animal Science, Iowa State University, Ames 50011
| | - E A Horst
- Department of Animal Science, Iowa State University, Ames 50011
| | - B M Goetz
- Department of Animal Science, Iowa State University, Ames 50011
| | - E J Mayorga
- Department of Animal Science, Iowa State University, Ames 50011
| | | | - M Caratzu
- Department of Animal Science, Iowa State University, Ames 50011
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames 50011.
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Cuellar CJ, Saleem M, Jensen LM, Hansen PJ. Differences in body temperature regulation during heat stress and seasonal depression in milk yield between Holstein, Brown Swiss, and crossbred cows. J Dairy Sci 2023; 106:3625-3632. [PMID: 37028972 DOI: 10.3168/jds.2022-22725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 12/19/2022] [Indexed: 04/07/2023]
Abstract
It is not clear whether cattle that are genetically superior in regulation of body temperature during heat stress are also better able to sustain milk production during hot conditions. Objectives were to evaluate differences in body temperature regulation during heat stress between Holstein, Brown Swiss, and crossbred cows under semi-tropical conditions and test whether the seasonal depression in milk yield was greater for genetic groups less able to regulate body temperature. For the first objective, conducted during heat stress, vaginal temperature was measured at 15-min intervals for 5 d in 133 pregnant lactating cows. Vaginal temperatures were affected by time and interaction between genetic group and time. Vaginal temperatures were higher for Holsteins for most times of the day. Moreover, the maximum daily vaginal temperature was higher for Holstein (39.8 ± 0.1°C) than for Brown Swiss (39.3 ± 0.2°C) or crossbreds (39.2 ± 0.1°C). For the second objective, 6,179 lactation records from 2,976 cows were analyzed to determine effects of genetic group and season of calving (cool season = Oct to March; warm season = April to Sept) on 305-d milk yield. Milk yield was affected by genetic group and season but not by the interaction of genetic group and season. The difference in average 305-d milk yield between cows calving in cool versus hot weather was 310 kg (4% decrease) for Holstein, 480 kg (7% decrease) for Brown Swiss, and 420 kg (6% decrease) for crossbreds. In conclusion, Brown Swiss and crossbreds regulated body temperature during heat stress better than Holsteins but these breeds were not more resistant to heat stress with respect to milk yield. Thus, genetic differences in thermotolerance are likely to exist that are independent of regulation of body temperature.
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Affiliation(s)
- Camila J Cuellar
- Department of Animal Sciences, University of Florida, Gainesville 32611-0910
| | - Muhammad Saleem
- Department of Animal Sciences, University of Florida, Gainesville 32611-0910; Department of Theriogenology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - L M Jensen
- Department of Animal Sciences, University of Florida, Gainesville 32611-0910
| | - P J Hansen
- Department of Animal Sciences, University of Florida, Gainesville 32611-0910.
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Abeyta MA, Horst EA, Goetz BM, Mayorga EJ, Rodriguez-Jimenez S, Caratzu M, Baumgard LH. Effects of hindgut acidosis on production, metabolism, and inflammatory biomarkers in feed-restricted lactating dairy cows. J Dairy Sci 2023; 106:2890-2903. [PMID: 36823007 DOI: 10.3168/jds.2022-22689] [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: 08/23/2022] [Accepted: 10/31/2022] [Indexed: 02/25/2023]
Abstract
Study objectives were to evaluate the effects of hindgut acidosis (HGA) on production, metabolism, and inflammation in feed-restricted (FR) dairy cows. Twelve rumen-cannulated cows were enrolled in a study with 3 experimental periods (P). During P1 (5 d), baseline data were collected. During P2 (2 d), all cows were FR to 40% of their baseline feed intake. During P3 (4 d), cows remained FR and were assigned to 1 of 2 abomasal infusion treatments: (1) control (FR-CON; 6 L of H2O/d; n = 6) or (2) starch (FR-ST; 4 kg of corn starch + 6 L of H2O/d; n = 6). Respective treatments were partitioned into 4 equal doses (1 kg of corn starch/infusion) and were abomasally infused daily at 0000, 0600, 1200, and 1800 h. All 3 P were analyzed independently and the effects of treatment, time, and treatment × time were assessed using PROC MIXED, and P1 and P2 data were analyzed using the treatments cows were destined to be assigned to during P3. Hallmark production and metabolic responses to feed restriction were observed in both treatments, including decreased milk yield (39%) and energy-corrected milk (32%), circulating glucose (12%), insulin (71%), and increased circulating nonesterified fatty acids (3.2-fold) throughout both P2 and P3, relative to P1. However, despite a marked reduction in fecal pH (0.96 units), the aforementioned metrics were unaltered by HGA. During P3, starch infusions increased circulating β-hydroxybutyrate, with the most pronounced increase occurring on d 2 (81% relative to FR-CON). Further, feed restriction decreased blood urea nitrogen during P2 (17% relative to P1) in both treatments, and this was exacerbated by starch infusions during P3 (31% decrease relative to FR-CON). In contrast to our hypothesis, neither feed restriction nor HGA increased circulating acute-phase proteins (serum amyloid A and lipopolysaccharide binding protein) relative to P1 or FR-CON, respectively. Thus, despite marked reductions in fecal pH, prior feed restriction did not appear to increase the susceptibility to HGA.
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Affiliation(s)
- M A Abeyta
- Department of Animal Science, Iowa State University, Ames 50011
| | - E A Horst
- Department of Animal Science, Iowa State University, Ames 50011
| | - B M Goetz
- Department of Animal Science, Iowa State University, Ames 50011
| | - E J Mayorga
- Department of Animal Science, Iowa State University, Ames 50011
| | | | - M Caratzu
- Department of Animal Science, Iowa State University, Ames 50011
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames 50011.
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Izquierdo VS, Silva JVL, Ranches J, Santos GCM, Carroll JA, Burdick Sanchez NC, Bittar JHJ, Vendramini JMB, Moriel P. Removing maternal heat stress abatement during gestation modulated postnatal physiology and improved performance of Bos indicus-influenced beef offspring. J Anim Sci 2023; 101:skad250. [PMID: 37542727 PMCID: PMC10414138 DOI: 10.1093/jas/skad250] [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: 05/10/2023] [Accepted: 07/24/2023] [Indexed: 08/07/2023] Open
Abstract
This study evaluated the growth and immune response of beef calves born from Bos indicus-influenced beef heifers provided pre- and postpartum heat abatement on pasture. On 83 ± 4 d prepartum (day 0), 64 Brangus crossbred beef heifers (~¼ B. indicus) were stratified by body weight (BW; 454 ± 37 kg) and body condition score (BCS; 6.3 ± 0.28; scale 1 to 9), and then allocated into 1 of 16 bahiagrass pastures (1 ha and 4 heifers per pasture). Treatments were randomly assigned to pastures (8 pastures per treatment) and consisted of heifers provided (SH) or not (NSH) access to artificial shade (4.5 m2 of shade area per heifer) from 83 d prepartum to 50 d postpartum (days 0 to 133). Heifers and calves were managed similarly from day 133 until the start of the breeding season (day 203). Calves were weaned on day 203 (at 119 ± 19 d of age), limit-fed the same drylot diet at 3.5% of BW (DM basis) days 209 to 268 (3 to 4 calves per pen; 8 pens per treatment) and vaccinated against respiratory disease pathogens on days 222 and 236. Heifer intravaginal temperatures from days 35 to 42 were lower (P ≤ 0.03) for NSH vs. SH heifers from 0000 to 0800 hours but greater (P ≤ 0.05) for NSH vs. SH heifers from 1100 to 1800 hours. Heifer intravaginal temperature from days 126 to 132 did not differ (P = 0.99) between NSH and SH heifers. Heifers assigned to NSH had greater respiration rates from days 20 to 96 (P ≤ 0.0007), greater plasma concentration of cortisol on days 35 (P = 0.07) and 55 (P = 0.02), less plasma concentration of insulin-like growth factor 1 (IGF-1) on days 35 (P = 0.10), 55, and 133 (P ≤ 0.05), and less BCS from days 55 to 203 (P ≤ 0.01) compared to SH heifers. Calves born from NSH heifers had less birth BW (P = 0.05), greater overall plasma haptoglobin concentrations (P = 0.05), greater seroconversion against bovine respiratory syncytial virus on day 222 (P = 0.02), tended to have greater ADG from days 209 to 268 (P = 0.07), and had greater BW on day 268 (P = 0.05) compared to SH offspring. Plasma concentrations of cortisol and serum titers against other respiratory disease pathogens did not differ (P ≥ 0.15) between NSH and SH offspring. Hence, removing maternal access to artificial shade: (1) increased prepartum intravaginal temperature and plasma concentrations of cortisol but reduced prepartum BCS and plasma concentrations of IGF-1 in grazing B. indicus-influenced beef heifers; and (2) increased post-weaning BW gain and had positive effects on humoral immune response of their offspring.
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Affiliation(s)
- Vinicius S Izquierdo
- IFAS – Range Cattle Research and Education Center, University of Florida, Ona, FL 33865, USA
| | - João V L Silva
- IFAS – Range Cattle Research and Education Center, University of Florida, Ona, FL 33865, USA
| | - Juliana Ranches
- Eastern Oregon Agricultural Research Center, Oregon State University, Burns, OR 97720, USA
| | - Giovanna C M Santos
- IFAS – Range Cattle Research and Education Center, University of Florida, Ona, FL 33865, USA
| | | | | | - João H J Bittar
- College of Veterinary Medicine, University of Florida, Gainesville, FL 32610, USA
| | - João M B Vendramini
- IFAS – Range Cattle Research and Education Center, University of Florida, Ona, FL 33865, USA
| | - Philipe Moriel
- IFAS – Range Cattle Research and Education Center, University of Florida, Ona, FL 33865, USA
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Durosaro SO, Iyasere OS, Ilori BM, Oyeniran VJ, Ozoje MO. Molecular regulation, breed differences and genes involved in stress control in farm animals. Domest Anim Endocrinol 2023; 82:106769. [PMID: 36244194 DOI: 10.1016/j.domaniend.2022.106769] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 11/18/2022]
Abstract
Stress is a state of disturbed homeostasis evoking a multiplicity of somatic and mental adaptive reactions resulting from any of the 5 freedoms of animals being violated. Many environmental forces disrupt homeostasis in farm animals, such as extreme temperatures, poor nutrition, noise, hunger, and thirst. During stressful situations, neuronal circuits in the limbic system and prefrontal cortex are activated, which lead to the release of adrenalin and noradrenalin. The hormones released during stress are needed for adaptation to acute stress and are regulated by many genes. This review examined molecular regulation, breed differences, and genes involved in stress control in farm animals. Major molecular regulation of stress, such as oxidative, cytosolic heat shock, unfolded protein, and hypoxic responses, were discussed. The responses of various poultry, ruminant, and pig breeds to different stress types were also discussed. Gene expressions and polymorphisms in the neuroendocrine and neurotransmitter pathways were also elucidated. The information obtained from this review will help farmers mitigate stress in farm animals through appropriate breed and gene-assisted selection. Also, information obtained from this review will add to the field of stress genetics since stress is a serious welfare issue in farm animals.
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Affiliation(s)
- S O Durosaro
- Department of Animal Breeding and Genetics, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria; Department of Animal Sciences, Purdue University, West Lafayette, IN 47907, USA.
| | - O S Iyasere
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - B M Ilori
- Department of Animal Breeding and Genetics, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - V J Oyeniran
- Department of Animal Physiology, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - M O Ozoje
- Department of Animal Breeding and Genetics, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
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Jurkovich V, Somoskői B, Kovács L, Bakony M. The effects of heat stress in Jersey, Hungarian Simmental
and Holstein-Friesian cows. JOURNAL OF ANIMAL AND FEED SCIENCES 2022. [DOI: 10.22358/jafs/155410/2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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D’Souza GM, Dias Batista LF, Norris AB, Tedeschi LO. Effect of live yeast supplementation on energy partitioning and ruminal fermentation characteristics of steers fed a grower-type diet in heat-stress conditions. J Anim Sci 2022; 100:skac320. [PMID: 36181501 PMCID: PMC9683489 DOI: 10.1093/jas/skac320] [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: 07/13/2022] [Accepted: 09/29/2022] [Indexed: 11/13/2022] Open
Abstract
The objective of this trial was to determine the influence of live yeast supplementation (LY), environmental condition (ENV), and their interaction (TRT) on energy partitioning, nitrogen metabolism, and ruminal fermentation dynamics of steers receiving a grower-type diet. The effects of LY and ENV were investigated using a 2 × 2 crossover design that spanned five periods. Eight Angus-crossbred steers were randomly split into pairs and housed in four outdoor pens outfitted with an individualized feeding system. Animals were limit-fed a grower diet (DIET) at 1.2% shrunk body weight (SBW) with no live yeast supplementation (NOY) or a grower diet top-dressed with 10 g LY/d for 14 d (1.2 × 1012 CFU/d). On days 13 and 14, animals were subjected to one of two ENV conditions, thermoneutral (TN; 18.4 ± 1.1 °C, 57.6 ± 2.8% relative humidity [RH]) or heat stress (HS; 33.8 ± 0.6 °C, 55.7 ± 2.7% RH), in two side-by-side, single-stall open-circuit, indirect respiration calorimetry chambers. Data were analyzed using a random coefficients model. Carryover effects were examined and removed from the model if not significant. Gross (GE), digestible, metabolizable, heat, and retained energies were not influenced by DIET, ENV, or TRT (P ≥ 0.202). Gaseous energy, as a percentage of GE, tended to increase during HS (P = 0.097). The only carryover effect in the study was for oxygen consumption (P = 0.031), which could be attributed to the tendency of NOY (P = 0.068) to have greater oxygen consumption. DIET, ENV, or TRT (P ≥ 0.154) had no effects on total animal methane or carbon dioxide emissions. Similarly, DIET, ENV, or TRT (P ≥ 0.157) did not affect ruminal pH, redox, protozoa enumeration, ruminal ammonia concentrations, and acetate-to-propionate ratio. Propionate concentrations were the greatest in animals in TN conditions receiving LY (P = 0.034) compared to the other TRT. This effect is mirrored by TN-LY tending to have greater acetate concentrations (P = 0.076) and total VFA concentrations (P = 0.065). Butyrate concentrations tended to be greater for animals fed LY (P = 0.09). There was a tendency for LY to have elevated numbers of Fusobacterium necrophorum (P = 0.053). Although this study lacked effects of LY on energy partitioning, nitrogen metabolism, and some ruminal parameters during HS, further research should be completed to understand if LY is a plausible mitigation technique to enhance beef animals' performance in tropical and sub-tropical regions of the world.
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Affiliation(s)
- Genevieve M D’Souza
- Department of Animal Science, Texas A&M University, College Station, TX 77843-2471, USA
| | | | - Aaron B Norris
- Department of Natural Resources Management, Texas Tech University, Lubbock, TX 79409, USA
| | - Luis O Tedeschi
- Department of Animal Science, Texas A&M University, College Station, TX 77843-2471, USA
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11
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Aarif O, Aggarwal A, Sheikh AA. Evaporative cooling in late gestation heat-stressed transition Murrah buffaloes improves milk production through hormone-metabolite interaction. BIOL RHYTHM RES 2022. [DOI: 10.1080/09291016.2022.2129487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Ovais Aarif
- Animal Physiology Division, ICAR-National Dairy Research Institute, Haryana, India
| | - Anjali Aggarwal
- Animal Physiology Division, ICAR-National Dairy Research Institute, Haryana, India
| | - Aasif Ahmad Sheikh
- Animal Physiology Division, ICAR-National Dairy Research Institute, Haryana, India
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12
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Uyanga VA, Zhao J, Wang X, Jiao H, Onagbesan OM, Lin H. Dietary L-citrulline modulates the growth performance, amino acid profile, and the growth hormone/insulin-like growth factor axis in broilers exposed to high temperature. Front Physiol 2022; 13:937443. [PMID: 36003654 PMCID: PMC9393253 DOI: 10.3389/fphys.2022.937443] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/05/2022] [Indexed: 11/13/2022] Open
Abstract
Heat stress adversely affects the growth performance, muscle development, and protein metabolism in poultry. l-Citrulline (L-Cit), is a non-essential amino acid that is known to stimulate muscle protein synthesis under stress conditions. This study investigated whether L-Cit could influence the growth performance, amino acid profile, and protein metabolism in broilers exposed to high ambient temperature. In a 2 × 2 factorial arrangement, Arbor acre broilers (288 chickens) were fed with basal diet (CON) or 1% L-Cit supplemented diet and later subjected to either thermoneutral (TNZ: 24°C, 24 h/d) or heat stress (HS: 35°C for 8 h/d) environment for 21 days. The results showed that L-Cit diet promoted the body weight and body weight gain of broilers higher than the CON diet, and it further alleviated HS suppression of body weight and feed intake at certain periods (p < 0.05). Plasma urea, uric acid, glucose, and total cholesterol were elevated during HS, whereas, the triglyceride content was decreased (p < 0.05). Serum amino acids including citrulline, alanine, aspartate, and taurine were decreased by HS. L-Cit supplementation restored the citrulline level and alleviated HS induction of 3-methylhistidine (p < 0.05). L-Cit supplementation increased the plasma growth hormone (GH) and insulin-like growth factor-1 (IGF-1) concentration, as well as the GH concentration in the breast muscle (p < 0.05). The mRNA expression showed that HS elicited tissue-specific responses by upregulating some growth factors in the breast muscle, but downregulated the GH receptor, GH binding protein, and IGF-1 expression in the hypothalamus. L-Cit supplementation upregulated the GHRH and IGFBP2 expression in the hypothalamus. L-Cit also upregulated the expression of IGF-1R and IGFBP2 in the breast muscle of HS broilers. The total mTOR protein level in the breast muscle of HS broilers was also increased by L-Cit diet (p < 0.05). Therefore, this study demonstrated that HS negatively affected the growth performance of broilers and dysregulated the expression of growth factors related to protein metabolism. Contrarily, L-Cit promoted the growth responses of broilers via its stimulation of circulating GH/IGF-1 concentration. To certain extents, L-Cit supplementation elicited protective effects on the growth performance of HS broilers by diminishing protein catabolism.
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Affiliation(s)
- Victoria Anthony Uyanga
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control, Department of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, China
| | - Jingpeng Zhao
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control, Department of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, China
| | - Xiaojuan Wang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control, Department of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, China
| | - Hongchao Jiao
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control, Department of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, China
| | | | - Hai Lin
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control, Department of Animal Science, College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, China
- *Correspondence: Hai Lin,
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13
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Cheruiyot EK, Haile-Mariam M, Cocks BG, Pryce JE. Improving Genomic Selection for Heat Tolerance in Dairy Cattle: Current Opportunities and Future Directions. Front Genet 2022; 13:894067. [PMID: 35769985 PMCID: PMC9234448 DOI: 10.3389/fgene.2022.894067] [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: 03/11/2022] [Accepted: 05/02/2022] [Indexed: 11/13/2022] Open
Abstract
Heat tolerance is the ability of an animal to maintain production and reproduction levels under hot and humid conditions and is now a trait of economic relevance in dairy systems worldwide because of an escalating warming climate. The Australian dairy population is one of the excellent study models for enhancing our understanding of the biology of heat tolerance because they are predominantly kept outdoors on pastures where they experience direct effects of weather elements (e.g., solar radiation). In this article, we focus on evidence from recent studies in Australia that leveraged large a dataset [∼40,000 animals with phenotypes and 15 million whole-genome sequence variants] to elucidate the genetic basis of thermal stress as a critical part of the strategy to breed cattle adapted to warmer environments. Genotype-by-environment interaction (i.e., G × E) due to temperature and humidity variation is increasing, meaning animals are becoming less adapted (i.e., more sensitive) to changing environments. There are opportunities to reverse this trend and accelerate adaptation to warming climate by 1) selecting robust or heat-resilient animals and 2) including resilience indicators in breeding goals. Candidate causal variants related to the nervous system and metabolic functions are relevant for heat tolerance and, therefore, key for improving this trait. This could include adding these variants in the custom SNP panels used for routine genomic evaluations or as the basis to design specific agonist or antagonist compounds for lowering core body temperature under heat stress conditions. Indeed, it was encouraging to see that adding prioritized functionally relevant variants into the 50k SNP panel (i.e., the industry panel used for genomic evaluation in Australia) increased the prediction accuracy of heat tolerance by up to 10% units. This gain in accuracy is critical because genetic improvement has a linear relationship with prediction accuracy. Overall, while this article used data mainly from Australia, this could benefit other countries that aim to develop breeding values for heat tolerance, considering that the warming climate is becoming a topical issue worldwide.
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Affiliation(s)
- Evans K. Cheruiyot
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
| | - Mekonnen Haile-Mariam
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
- *Correspondence: Mekonnen Haile-Mariam,
| | - Benjamin G. Cocks
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
| | - Jennie E. Pryce
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
- Centre for AgriBiosciences, Agriculture Victoria Research, AgriBio, Bundoora, VIC, Australia
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14
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Guo Z, Gao S, Ding J, He J, Ma L, Bu D. Effects of Heat Stress on the Ruminal Epithelial Barrier of Dairy Cows Revealed by Micromorphological Observation and Transcriptomic Analysis. Front Genet 2022; 12:768209. [PMID: 35096001 PMCID: PMC8793686 DOI: 10.3389/fgene.2021.768209] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/07/2021] [Indexed: 12/30/2022] Open
Abstract
Heat stress (HS) alters the rumen fermentation of dairy cows thereby affecting the metabolism of rumen papillae and thus the epithelial barrier function. The aim of the present study was to investigate if HS damages the barrier function of ruminal epithelia. Eight multiparous Holstein dairy cows with rumen cannula were randomly equally allocated to two replicates (n = 4), with each replicate being subjected to heat stress or thermal neutrality and pair-feeding in four environmental chambers. Micromorphological observation showed HS aggravated the shedding of the corneum and destroyed the physical barrier of the ruminal epithelium to a certain extent. Transcriptomics analysis of the rumen papillae revealed pathways associated with DNA replication and repair and amino acid metabolism were perturbated, the biological processes including sister chromatid segregation, etc. were up-regulated by HS, while the MAPK and NF-kB cell signaling pathways were downregulated. However, no heat stress-specific change in the expression of tight junction protein or TLR4 signaling was found, suggesting that HS negatively affected the physical barrier of the ruminal epithelium to some extent but did not break the ruminal epithelium. Heat stress invoked mechanisms to maintain the integrity of the rumen epithelial barrier by upregulating the expression of heat shock protein and repairments in rumen papillae. The increase in amino acid metabolism in rumen papillae might affect the nutrient utilization of the whole body. The findings of this study may inform future research to better understand how heat stress affects the physiology and productivity of lactating cows and the development of mitigation strategies.
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Affiliation(s)
- Zitai Guo
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shengtao Gao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jun Ding
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Junhao He
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lu Ma
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Dengpan Bu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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15
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Climate Resilience in Small Ruminant and Immune system: an old alliance in the new sustainability context. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2022.106662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Hashemzadeh F, Rafeie F, Hadipour A, Rezadoust MH. Supplementing a phytogenic-rich herbal mixture to heat-stressed lambs: Growth performance, carcass yield, and muscle and liver antioxidant status. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2021.106596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Hooper HB, Dos Santos Silva P, de Oliveira SA, Merighe GKF, Titto CG, Negrão JA. Long-term heat stress at final gestation: physiological and heat shock responses of Saanen goats. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2021; 65:2123-2135. [PMID: 34420116 DOI: 10.1007/s00484-021-02175-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 06/13/2023]
Abstract
The long exposure to heat negatively changes performance and productivity of animals, particularly when heat stress is associated with gestation. Indeed, little is known about the negative effects of long-term heat stress on the final gestation of dairy goats. In this context, the physiological and cellular responses of Saanen goats submitted to heat stress (37°C from 10:00 to 16:00 h) were investigated from day 60th pre-partum to day 60th post-partum. At final gestation, 46 pregnant Saanen goats were randomly assigned to the treatments: control (CT; thermal neutral conditions) and heat stress (HS; climatic chamber). After partum, all experimental goats were maintained in thermal neutral conditions. The rectal, dorsal, mammary temperatures and respiratory frequency, cortisol release, milk yield, milk quality, and the genes HSP60, HSP70, HSP90, Glucocorticoid receptor and ACTHR. Goats subjected to HS showed significantly (P < 0.05) higher rectal, dorsal, and mammary temperatures and significantly mobilized the increase of respiratory frequency to lose heat as compared to CT goats. The HS challenge significantly increased cortisol release from day 15th pre-partum to day 15th post-partum. CT goats produced more milk than HS from weeks 4 to 10 of lactation (P <0.001), with no difference in milk quality. However, on day 15th post-partum, there was a significant effect of HS treatment on the expression of HSP70 and ACTHR genes as compared to CT treatment, confirming the long-term effect of HS on Saanen goats. In conclusion, the physiological parameters studied increased pre-partum in the hottest hour, and cortisol peaked on day 15 pre-partum for heat-stressed goats. Although on the 15th day post-partum, all goats were in thermal comfort, and the physiological parameters were within the normal range, the concentration of cortisol continued to be significantly higher for goats submitted to thermal stress. Indeed, milk yield was greater for goats subjected to pre-partum thermal comfort. Furthermore, the expression of HSP70 and ACTHR genes on peripheral blood mononuclear cells are interesting biomarkers for studying the long-term effect of heat stress on Saanen goats.
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Affiliation(s)
- Henrique Barbosa Hooper
- Laboratory of Animal Physiology, Department of Basic Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil
| | - Priscila Dos Santos Silva
- Laboratory of Animal Physiology, Department of Basic Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil
| | - Sandra Aparecida de Oliveira
- Laboratory of Animal Physiology, Department of Basic Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil
| | - Giovana Krempel Fonseca Merighe
- Laboratory of Animal Physiology, Department of Basic Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil
| | - Cristiane Gonçalves Titto
- Laboratory of Animal Biometeorology and Ethology, Department of Animal Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil
| | - João Alberto Negrão
- Laboratory of Animal Physiology, Department of Basic Science, Faculty of Animal Science and Food Engineering, University of São Paulo, Duque de Caxias Norte avenue, 225, 13635-900, Pirassununga, São Paulo, Brazil.
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18
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Islam MA, Lomax S, Doughty A, Islam MR, Jay O, Thomson P, Clark C. Automated Monitoring of Cattle Heat Stress and Its Mitigation. FRONTIERS IN ANIMAL SCIENCE 2021. [DOI: 10.3389/fanim.2021.737213] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Climate change related global warming is likely to continue, despite all mitigation measures taken by humans, due to the lag effect of long-term anthropogenic activities. Warming of the atmosphere can impact worldwide cattle production directly by compromising health, welfare and productivity, and indirectly by reducing the quality and quantity of animal feed. Under warm thermal conditions, cattle adjust their physiological and behavioural responses as an integral part of thermoregulation to maintain internal body temperature within a safe range. However, a greater intensity and duration of heat exposure can exceed thermoregulatory capacity leading to an increase in internal body temperature beyond the normal limit that ultimately evokes different animal responses to heat. In cattle, response to heat stress can be visually observed as elevated respiration rate or panting, but continuous visual monitoring is labour intensive, time consuming and subjective. Therefore, different weather-based indices have been developed such as the temperature humidity index (THI) and heat load index (HLI) which are commonly used weather-based indices for monitoring cattle heat stress at commercial level. However, the thermal comfort level of cattle based on weather-based indices has limited use at a microclimatic and individual animal level. Varying sensor-based approaches have shown promise to shift the focus of heat stress management to the individual level. Monitoring individual animal response and mitigation strategies for isolated heat-susceptible cattle could save on heat management costs whilst improving animal welfare and productivity. Here we review the technologies that enable automatic, continuous, and real-time cattle heat stress monitoring and mitigation under commercial conditions. Future platforms for autonomous monitoring and mitigation of heat stress in cattle are likely to be based on minimally-invasive smart technologies either singly, or in an integrated system, enabling real-time solutions to animal responses under various production systems and environmental conditions.
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19
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Lourenço JPDA, Cappellozza BI, Bertin RD, Miranda VFB, Junior WMC, de Sousa OA, Vasconcelos JLM. Evaluation of different cooling management strategies for lactating Holstein × Gir dairy cows. Transl Anim Sci 2021; 5:txab199. [PMID: 34729461 PMCID: PMC8558264 DOI: 10.1093/tas/txab199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Heat stress negatively impacts production, reproduction, and health of ruminants and strategies to alleviate these losses are warranted. Therefore, four experiments evaluated different cooling strategies on vaginal temperature (VT) of Holstein × Gir cows. Experiment 1 compared different amounts of water (2- or 4-L) over a 1-hour period from 1000 to 1100 h and 1600 to 1700 h. Experiment 2 evaluated the effects of sprinkling duration (in hours; 1- or 2-H), whereas Experiment 3 evaluated the effects of water amount (4- or 8-L) applied for 1- or 2-H. Lastly, the effects of a cooling strategy on specific hours of the day, starting at either 0700 (T-1) or 1100 h (T-2; Experiment 4), were evaluated. In all experiments, 12 Holstein × Gir cows were used in a 2 × 2 Latin Square Design containing two periods of 6 days each. Temperature and humidity index (THI) were recorded hourly and VT was recorded every 10-min throughout the experiments. As expected, an hour effect was observed for THI (P < 0.0001), which peaked early in the afternoon. In Experiment 1, a treatment × hour interaction was observed (P < 0.0001) for VT, as animals assigned to receive 4-L had a reduced VT at 1100, 1600, 1700, and 2300 h (P ≤ 0.03). During the cooling applications, cows receiving 4-L for 1 h had a reduced VT from 60 to 150 min (P ≤ 0.04). In Experiment 2, a treatment × hour interaction was observed (P < 0.0001) for VT, as animals assigned to receive 4-L of water for 2-H had a reduced VT at 1200 h (P = 0.05). Moreover, during the cooling process, VT was reduced for 2-H cows from 140 to 170 min after the beginning of the cooling process (P ≤ 0.05). In Experiment 3, animals assigned to receive 4-L + 2H had a reduced VT at 1200, 1700, 1800, and 1900 h (P < 0.001). A treatment × hour interaction was observed (P < 0.0001), as VT was reduced for 4-L + 2-H cows from 130 to 180 min after the beginning of the cooling process (P ≤ 0.05). In Experiment 4, by the time when the first cooling cycle of T-1 was applied (0700 h), T-1 cows consistently had (P ≤ 0.05) a reduced VT up to the hottest hours and greatest THI of the day (1400 and 1500 h). This pattern was maintained until the end of the last cooling cycle, whereas T-2 cows had a reduced VT. In summary, 4 L of water over a 5-min cycle for a period of 2 hours twice a day maintained VT of Holstein × Gir cows at lower levels. Moreover, the hour at which the first cooling cycle starts also should be considered when evaluating the efficacy of a cooling strategy for an entire day.
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Affiliation(s)
- João Paulo de A Lourenço
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | | | - Rafaela D Bertin
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Victor F B Miranda
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Wilson M C Junior
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Osvaldo A de Sousa
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
- Nutricorp, Araras, SP, Brazil
| | - José Luiz M Vasconcelos
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
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20
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Cheruiyot EK, Haile-Mariam M, Cocks BG, MacLeod IM, Xiang R, Pryce JE. New loci and neuronal pathways for resilience to heat stress in cattle. Sci Rep 2021; 11:16619. [PMID: 34404823 PMCID: PMC8371109 DOI: 10.1038/s41598-021-95816-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 07/30/2021] [Indexed: 02/07/2023] Open
Abstract
While understanding the genetic basis of heat tolerance is crucial in the context of global warming's effect on humans, livestock, and wildlife, the specific genetic variants and biological features that confer thermotolerance in animals are still not well characterized. We used dairy cows as a model to study heat tolerance because they are lactating, and therefore often prone to thermal stress. The data comprised almost 0.5 million milk records (milk, fat, and proteins) of 29,107 Australian Holsteins, each having around 15 million imputed sequence variants. Dairy animals often reduce their milk production when temperature and humidity rise; thus, the phenotypes used to measure an individual's heat tolerance were defined as the rate of milk production decline (slope traits) with a rising temperature-humidity index. With these slope traits, we performed a genome-wide association study (GWAS) using different approaches, including conditional analyses, to correct for the relationship between heat tolerance and level of milk production. The results revealed multiple novel loci for heat tolerance, including 61 potential functional variants at sites highly conserved across 100 vertebrate species. Moreover, it was interesting that specific candidate variants and genes are related to the neuronal system (ITPR1, ITPR2, and GRIA4) and neuroactive ligand-receptor interaction functions for heat tolerance (NPFFR2, CALCR, and GHR), providing a novel insight that can help to develop genetic and management approaches to combat heat stress.
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Affiliation(s)
- Evans K. Cheruiyot
- grid.1018.80000 0001 2342 0938School of Applied Systems Biology, La Trobe University, Bundoora, VIC 3083 Australia ,grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia
| | - Mekonnen Haile-Mariam
- grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia
| | - Benjamin G. Cocks
- grid.1018.80000 0001 2342 0938School of Applied Systems Biology, La Trobe University, Bundoora, VIC 3083 Australia ,grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia
| | - Iona M. MacLeod
- grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia
| | - Ruidong Xiang
- grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia ,grid.1008.90000 0001 2179 088XFaculty of Veterinary and Agricultural Science, The University of Melbourne, Parkville, VIC 3052 Australia
| | - Jennie E. Pryce
- grid.1018.80000 0001 2342 0938School of Applied Systems Biology, La Trobe University, Bundoora, VIC 3083 Australia ,grid.452283.a0000 0004 0407 2669Agriculture Victoria Research, Centre for AgriBiosciences, AgriBio, Bundoora, VIC 3083 Australia
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21
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Del Corvo M, Lazzari B, Capra E, Zavarez L, Milanesi M, Utsunomiya YT, Utsunomiya ATH, Stella A, de Paula Nogueira G, Garcia JF, Ajmone-Marsan P. Methylome Patterns of Cattle Adaptation to Heat Stress. Front Genet 2021; 12:633132. [PMID: 34122501 PMCID: PMC8194315 DOI: 10.3389/fgene.2021.633132] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 05/04/2021] [Indexed: 12/13/2022] Open
Abstract
Heat stress has a detrimental impact on cattle health, welfare and productivity by affecting gene expression, metabolism and immune response, but little is known on the epigenetic mechanisms mediating the effect of temperature at the cellular and organism level. In this study, we investigated genome-wide DNA methylation in blood samples collected from 5 bulls of the heat stress resilient Nellore breed and 5 bulls of the Angus that are more heat stress susceptible, exposed to the sun and high temperature-high humidity during the summer season of the Brazilian South-East region. The methylomes were analyzed during and after the exposure by Reduced Representation Bisulfite Sequencing, which provided genome-wide single-base resolution methylation profiles. Significant methylation changes between stressful and recovery periods were observed in 819 genes. Among these, 351 were only seen in Angus, 366 were specific to Nellore, and 102 showed significant changes in methylation patterns in both breeds. KEGG and Gene Ontology (GO) enrichment analyses showed that responses were breed-specific. Interestingly, in Nellore significant genes and pathways were mainly involved in stress responses and cellular defense and were under methylated during heat stress, whereas in Angus the response was less focused. These preliminary results suggest that heat challenge induces changes in methylation patterns in specific loci, which should be further scrutinized to assess their role in heat tolerance.
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Affiliation(s)
- Marcello Del Corvo
- Department of Animal Science Food and Nutrition - DIANA, Nutrigenomics and Proteomics Research Centre - PRONUTRIGEN, and Biodiversity and Ancient DNA Research Centre, Università Cattolica del Sacro Cuore, Piacenza, Italy.,Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Milan, Italy
| | - Barbara Lazzari
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Milan, Italy
| | - Emanuele Capra
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Milan, Italy
| | - Ludmilla Zavarez
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil.,International Atomic Energy Agency, Collaborating Centre on Animal Genomics and Bioinformatics, Araçatuba, Brazil
| | - Marco Milanesi
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil.,International Atomic Energy Agency, Collaborating Centre on Animal Genomics and Bioinformatics, Araçatuba, Brazil
| | - Yuri Tani Utsunomiya
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil.,International Atomic Energy Agency, Collaborating Centre on Animal Genomics and Bioinformatics, Araçatuba, Brazil
| | - Adam Taiti Harth Utsunomiya
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil.,International Atomic Energy Agency, Collaborating Centre on Animal Genomics and Bioinformatics, Araçatuba, Brazil
| | - Alessandra Stella
- Istituto di Biologia e Biotecnologia Agraria, Consiglio Nazionale delle Ricerche IBBA CNR, Milan, Italy
| | - Guilherme de Paula Nogueira
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil
| | - Josè Fernando Garcia
- School of Veterinary Medicine, Araçatuba, Department of Production and Animal Health, São Paulo State University (unesp), Araçatuba, Brazil.,International Atomic Energy Agency, Collaborating Centre on Animal Genomics and Bioinformatics, Araçatuba, Brazil
| | - Paolo Ajmone-Marsan
- Department of Animal Science Food and Nutrition - DIANA, Nutrigenomics and Proteomics Research Centre - PRONUTRIGEN, and Biodiversity and Ancient DNA Research Centre, Università Cattolica del Sacro Cuore, Piacenza, Italy
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22
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Liman MS, Franco V, Cardoso CL, Longobardi V, Gasparrini B, Wheeler MB, Rubessa M, Esposito G. Effects of Dietary Supplementation of Conjugated Linoleic Acids and Their Inclusion in Semen Extenders on Bovine Sperm Quality. Animals (Basel) 2021; 11:ani11020483. [PMID: 33673045 PMCID: PMC7917996 DOI: 10.3390/ani11020483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/28/2021] [Accepted: 02/03/2021] [Indexed: 11/22/2022] Open
Abstract
Simple Summary Suboptimal fertility in males accounts for about two-thirds of infertility cases, thus being of serious concern for the dairy industry, where optimal fertility is fundamental for farm profitability. Although genetic defects responsible for subfertility have been identified, the role of seminal compounds on fertility remain unclear. Feeding rumen-protected isomers of conjugated linoleic acid (CLA) to dairy cows reportedly enhances circulating insulin-like growth factor I (IGF-I) levels. In breeding bulls, the IGF-I concentration in seminal plasma has been positively correlated with fertility rates. Therefore, the objective of the study was to evaluate the effect of dietary CLA supplementation and of their inclusion to the semen extender on bovine semen quality and freezability. Abstract Isomers of conjugated linoleic acid (CLA) enhances circulating insulin-like growth factor I (IGF-I) levels. Furthermore, fertility rate of breeding bulls is positively correlated to seminal plasma IGF-I concentration. Our objective was to evaluate the effect of dietary CLA supplementation and inclusion to the semen extender on bovine semen quality and freezability. Fourteen bulls, randomly assigned to control (CTL) and CLA (50 g/day) groups, were supplemented for 10 weeks. Samples were collected at Weeks −2 (before supplementation), 0, 4, 6 (during supplementation), 10, and 11 (after supplementation). Blood and seminal plasma were analyzed for IGF-I; the ejaculates were frozen in the following subgroups: CTL (no addition to semen extender), CLA c9, t11 (50 µM), CLA c9, t11 (100 µM), CLA t10, c12 (50 µM), CLA t10, c12 (100 µM), and CLA mix (50 µM each of CLA c9, t11 and CLA t10, c12). Sperm motility, morphology, viability, mitochondrial membrane potential, and reactive oxidative species were assessed. CLA supplementation decreased ejaculates’ total volume, increased sperm concentration, beat cross frequency, and decreased oxidative stress; it also increased plasma and seminal plasma IGF-I levels compared to the CTL. The inclusion of CLA c9, t11 100 µM and CLA mixture in the extender increased live spermatozoa percentage post-thawing compared to other groups. Our results show a beneficial effect of CLA supplementation on semen quality; however, further studies evaluating fertilization rates are necessary to corroborate the results.
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Affiliation(s)
- Mohammed S. Liman
- Department of Production Animal Studies, Faculty of Veterinary Sciences, University of Pretoria, 0110 Pretoria, South Africa; (M.S.L.); (C.L.C.)
- Niger State Livestock and Fisheries Institute, Ministry of Livestock and Fisheries Development, 920001 Niger State, Nigeria
| | - Vittoria Franco
- Dipartimento di Medicina Veterinaria, Università degli Studi di Napoli Federico II, 80137 Naples, Italy; (V.F.); (V.L.); (B.G.)
| | - Claudia L. Cardoso
- Department of Production Animal Studies, Faculty of Veterinary Sciences, University of Pretoria, 0110 Pretoria, South Africa; (M.S.L.); (C.L.C.)
| | - Valentina Longobardi
- Dipartimento di Medicina Veterinaria, Università degli Studi di Napoli Federico II, 80137 Naples, Italy; (V.F.); (V.L.); (B.G.)
| | - Bianca Gasparrini
- Dipartimento di Medicina Veterinaria, Università degli Studi di Napoli Federico II, 80137 Naples, Italy; (V.F.); (V.L.); (B.G.)
| | - Matthew B. Wheeler
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA; (M.B.W.); (M.R.)
| | - Marcello Rubessa
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA; (M.B.W.); (M.R.)
| | - Giulia Esposito
- Department of Production Animal Studies, Faculty of Veterinary Sciences, University of Pretoria, 0110 Pretoria, South Africa; (M.S.L.); (C.L.C.)
- Department of Animal Sciences, Faculty of AgriSciences, Stellenbosch University, 7600 Stellenbosch, South Africa
- RUM&N Sas, 42123 Reggio Emilia, Italy
- Correspondence: ; Tel.: +39-328-973-509
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23
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Bai H, Li T, Yu Y, Zhou N, Kou H, Guo Y, Yang L, Yan P. Cytoprotective Effects of Taurine on Heat-Induced Bovine Mammary Epithelial Cells In Vitro. Cells 2021; 10:cells10020258. [PMID: 33525569 PMCID: PMC7912084 DOI: 10.3390/cells10020258] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 02/07/2023] Open
Abstract
It is a widely known that heat stress induces a reduction in milk production in cows and impairs their overall health. Studies have shown that taurine protects tissues and organs under heat stress. However, there have yet to be studies showing the functions of taurine in mammary alveolar cells-large T antigen (MAC-T) (a bovine mammary epithelial cell line) cells under heat shock. Therefore, different concentrations of taurine (10 mM, 50 mM, and 100 mM) were tested to determine the effects on heat-induced MAC-T cells. The results showed that taurine protected the cells against heat-induced damage as shown by morphological observations in conjunction with suppressed the translocation and expression of heat shock factor 1 (HSF1). Moreover, taurine not only reversed the decline in antioxidase (superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX)) activities but also attenuated the accumulation of malondialdehyde (MDA). Meanwhile, mitochondrial damage (morphology and complex I activity) resulting from heat exposure was mitigated. Taurine also alleviated the rates of cell apoptosis and markedly depressed the mRNA expressions of BCL2 associated X, apoptosis regulator (BAX) and caspase3. Furthermore, compared with the heat stress (HS) group, the protein levels of caspase3 and cleaved caspase3 were decreased in all taurine groups. In summary, taurine improves the antioxidant and anti-apoptosis ability of MAC-T cells thereby alleviates damage of cells due to heat insults.
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Affiliation(s)
- Hui Bai
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
- Ulanqab Animal Husbandry Workstation, Ulanqab 012000, China; (N.Z.); (H.K.)
| | - Tingting Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
| | - Yan Yu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
| | - Ningcong Zhou
- Ulanqab Animal Husbandry Workstation, Ulanqab 012000, China; (N.Z.); (H.K.)
| | - Huijuan Kou
- Ulanqab Animal Husbandry Workstation, Ulanqab 012000, China; (N.Z.); (H.K.)
| | - Yingying Guo
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
| | - Liang Yang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
| | - Peishi Yan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; (H.B.); (T.L.); (Y.Y.); (Y.G.); (L.Y.)
- Correspondence: ; Tel.: +86-13912967680
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Zhong G, Shao D, Wang Q, Tong H, Shi S. Effects of dietary supplemented of γ-amino butyric acid on growth performance, blood biochemical indices and intestinal morphology of yellow-feathered broilers exposed to a high temperature environment. ITALIAN JOURNAL OF ANIMAL SCIENCE 2020. [DOI: 10.1080/1828051x.2020.1747953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Guang Zhong
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
- Institute of Effective Evaluation of Feed and Feed Additive (Poultry institute), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Dan Shao
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
- Institute of Effective Evaluation of Feed and Feed Additive (Poultry institute), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Qiang Wang
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
- Institute of Effective Evaluation of Feed and Feed Additive (Poultry institute), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Haibing Tong
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
- Institute of Effective Evaluation of Feed and Feed Additive (Poultry institute), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Shourong Shi
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
- Institute of Effective Evaluation of Feed and Feed Additive (Poultry institute), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
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25
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Seyed Almoosavi SMM, Ghoorchi T, Naserian AA, Khanaki H, Drackley JK, Ghaffari MH. Effects of late-gestation heat stress independent of reduced feed intake on colostrum, metabolism at calving, and milk yield in early lactation of dairy cows. J Dairy Sci 2020; 104:1744-1758. [PMID: 33309378 DOI: 10.3168/jds.2020-19115] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/10/2020] [Indexed: 12/11/2022]
Abstract
The objective of this study was to differentiate the effects of acute heat stress (HS) from those of decreased dry matter intake (DMI) during the prepartum period on metabolism, colostrum, and subsequent production of dairy cows. Holstein dairy cows (n = 30) with similar parity and body weight were randomly assigned to 1 of 3 treatments on 45 d before calving: (1) cooled (CL, n = 10) conditions with ad libitum feed intake, (2) HS conditions with ad libitum feed intake (n = 10), and (3) pair-fed cooled (CLPF, n = 10) with reduced DMI similar to the HS group while housed under cooled conditions. The reduction in the amount of feed offered to the CLPF cows was calculated daily as the percentage decrease from the average DMI of HS cows relative to the CL cows. For CLPF and CL cows, barns provided shade, sprinklers, and fans, whereas the HS cows were provided only with shade. Cows in all groups received individually the same total mixed ration. Cows were dried off 60 d before the expected calving. Cows in the HS group and, by design, the CLPF cows had reduced DMI (~20%) during the experiment. Heat stress decreased gestation length, first colostrum yield, and calf birth weight compared with CL and CLPF cows. Milk yield decreased 21% (5 kg) in the HS and 8% (2 kg) in CLPF cows, indicating that reduced feed intake during late gestation accounted for 60% of the total reduced milk yield. The CLPF cows exhibited an elevated NEFA concentration compared with the CL and HS cows. The HS cows had a greater mRNA abundance of HSP70 in the peripheral blood leukocytes at 21 d prepartum compared with the other groups. At calving, the mRNA abundance of HSP70 was greater in HS cows, followed by CLPF, compared with the CL cows. In conclusion, HS during the late gestation period caused metabolism and production differences, which were only partially attributed to reduced feed intake in dairy cows.
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Affiliation(s)
- S M M Seyed Almoosavi
- Department of Animal and Poultry Nutrition, Faculty of Animal Science, Gorgan University of Agriculture Science and Natural Resources, Gorgan 49138-15739, Iran.
| | - T Ghoorchi
- Department of Animal and Poultry Nutrition, Faculty of Animal Science, Gorgan University of Agriculture Science and Natural Resources, Gorgan 49138-15739, Iran
| | - A A Naserian
- Department of Animal Science, Ferdowsi University of Mashhad, Mashhad 91779-48978, Iran
| | - H Khanaki
- Faculty of Veterinary and Agricultural Sciences, Dookie Campus, The University of Melbourne, Victoria 3647, Australia
| | - J K Drackley
- Department of Animal Sciences, University of Illinois, Urbana 61801
| | - M H Ghaffari
- Institute of Animal Science, Physiology Unit, University of Bonn, 53115 Bonn, Germany.
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26
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Yue S, Ding S, Zhou J, Yang C, Hu X, Zhao X, Wang Z, Wang L, Peng Q, Xue B. Metabolomics Approach Explore Diagnostic Biomarkers and Metabolic Changes in Heat-Stressed Dairy Cows. Animals (Basel) 2020; 10:E1741. [PMID: 32992834 PMCID: PMC7601318 DOI: 10.3390/ani10101741] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 02/07/2023] Open
Abstract
In the present experiment, we investigated the impact of heat stress (HS) on physiological parameters, dry matter intake, milk production, the metabolome of milk, and blood plasma in lactating Holstein dairy cows. For this purpose, 20 Holstein lactating cows were distributed in two groups in such a way that each group had 10 cows. A group of 10 cows was reared in HS conditions, while the other group of 10 cows was reared in the thermoneutral zone. The results of the experiment showed that cows subjected to HS had higher respiration rates (p < 0.01) and greater rectal temperature (p < 0.01). Results of milk production and composition explored that HS lowered milk production (p < 0.01) and milk protein percentage (p < 0.05) than cows raised in a thermoneutral place. Furthermore, HS increased the concentrations of N-acetyl glycoprotein, scyllo-inositol, choline, and pyridoxamine in milk, while HS decreased the concentrations of O-acetyl glycoprotein, glycerophosphorylcholine, citrate, and methyl phosphate in milk. Moreover, HS enhanced plasma concentrations of alanine, glucose, glutamate, urea, 1-methylhistidine, histidine, and formate in cows, while the plasma concentration of low-density lipoprotein, very-low-density lipoprotein, leucine, lipid, and 3-hydroxybutyrate decreased due to HS. Based on the findings of the current research, it is concluded that HS alters the milk and blood plasma metabolites of lactating Holstein dairy cows. Overall, in the current experiment, HS altered eight metabolites in milk and twelve metabolites in the plasma of lactating Holstein dairy cows. Furthermore, the current study explored that these metabolites were mainly involved in proteolysis, gluconeogenesis, and milk fatty acid synthesis and could be potential biomarkers for dairy cows undergoing HS.
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Affiliation(s)
- Shuangming Yue
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
- Department of Bioengineering, Sichuan Water Conservancy Vocation College, Chengdu 611845, China;
| | - Siyan Ding
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Jia Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Chao Yang
- Department of Bioengineering, Sichuan Water Conservancy Vocation College, Chengdu 611845, China;
| | - Xiaofei Hu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Xiaonan Zhao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Zhisheng Wang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Lizhi Wang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Quanhui Peng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
| | - Bai Xue
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (S.Y.); (S.D.); (J.Z.); (X.H.); (X.Z.); (Z.W.); (L.W.); (Q.P.)
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Horst EA, van den Brink LM, Mayorga EJ, Al-Qaisi M, Rodriguez-Jimenez S, Goetz BM, Abeyta MA, Kvidera SK, Caixeta LS, Rhoads RP, Baumgard LH. Evaluating acute inflammation's effects on hepatic triglyceride content in experimentally induced hyperlipidemic dairy cows in late lactation. J Dairy Sci 2020; 103:9620-9633. [PMID: 32773314 DOI: 10.3168/jds.2020-18686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 05/29/2020] [Indexed: 12/17/2022]
Abstract
Inflammation appears to be a predisposing factor and key component of hepatic steatosis in a variety of species. Objectives were to evaluate effects of inflammation [induced via intravenous lipopolysaccharide (LPS) infusion] on metabolism and liver lipid content in experimentally induced hyperlipidemic lactating cows. Cows (765 ± 32 kg of body weight; 273 ± 35 d in milk) were enrolled in 2 experimental periods (P); during P1 (5 d), baseline data were obtained. At the start of P2 (2 d), cows were assigned to 1 of 2 treatments: (1) intralipid plus control (IL-CON; 3 mL of saline; n = 5) or (2) intralipid plus LPS (IL-LPS; 0.375 μg of LPS/kg of body weight; n = 5). Directly following intravenous bolus (saline or LPS) administration, intralipid (20% fat emulsion) was intravenously infused continuously (200 mL/h) for 16 h to induce hyperlipidemia during which feed was removed. Blood samples were collected at -0.5, 0, 4, 8, 12, 16, 24, and 48 h relative to bolus administration, and liver biopsies were obtained on d 1 of P1 and at 16 and 48 h after the bolus. By experimental design (feed was removed during the first 16 h of d 1), dry matter intake decreased in both treatments on d 1 of P2, but the magnitude of reduction was greater in LPS cows. Dry matter intake of IL-LPS remained decreased on d 2 of P2, whereas IL-CON cows returned to baseline. Milk yield decreased in both treatments during P2, but the extent and duration was longer in LPS-infused cows. Administering LPS increased circulating LPS-binding protein (2-fold) at 8 h after bolus, after which it markedly decreased (84%) below baseline for the remainder of P2. Serum amyloid A concentrations progressively increased throughout P2 in IL-LPS cows (3-fold, relative to controls). Lipid infusion gradually increased nonesterified fatty acids and triglycerides in both treatments relative to baseline (3- and 2.5-fold, respectively). Interestingly, LPS infusion blunted the peak in nonesterified fatty acids, such that concentrations peaked (43%) higher in IL-CON compared with IL-LPS cows and heightened the increase in serum triglycerides (1.5-fold greater relative to controls). Liver fat content remained similar in IL-LPS relative to P1 at 16 h; however, hyperlipidemia alone (IL-CON) increased liver fat (36% relative to P1). No treatment differences in liver fat were observed at 48 h. In IL-LPS cows, circulating insulin increased markedly at 4 h after bolus (2-fold relative to IL-CON), and then gradually decreased during the 16 h of lipid infusion. Inducing inflammation with simultaneous hyperlipidemia altered the characteristic patterns of insulin and LPS-binding protein but did not cause fatty liver.
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Affiliation(s)
- E A Horst
- Department of Animal Science, Iowa State University, Ames 50011
| | | | - E J Mayorga
- Department of Animal Science, Iowa State University, Ames 50011
| | - M Al-Qaisi
- Department of Animal Science, Iowa State University, Ames 50011
| | | | - B M Goetz
- Department of Animal Science, Iowa State University, Ames 50011
| | - M A Abeyta
- Department of Animal Science, Iowa State University, Ames 50011
| | - S K Kvidera
- Department of Animal Science, Iowa State University, Ames 50011
| | - L S Caixeta
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul 55108
| | - R P Rhoads
- Department of Animal and Poultry Sciences, Virginia Tech University, Blacksburg 24061
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames 50011.
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28
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Yue S, Wang Z, Wang L, Peng Q, Xue B. Transcriptome Functional Analysis of Mammary Gland of Cows in Heat Stress and Thermoneutral Condition. Animals (Basel) 2020; 10:ani10061015. [PMID: 32532099 PMCID: PMC7341491 DOI: 10.3390/ani10061015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/05/2020] [Accepted: 06/08/2020] [Indexed: 12/18/2022] Open
Abstract
Simple Summary The current study employed RNA-seq technology to analyze the impact of heat stress on the whole transcript sequencing profile in the mammary glands of lactating Holstein dairy cows. In the findings of the current study, heat stress downregulated the expression of casein genes, which resulted in a decrease in milk production. Moreover, heat stress upregulated the gene expression of HSPA1A and HSP90B1, while it downregulated the expression of immune response-related genes that resulted in a reduction in milk yield. Furthermore, there was an increased synthesis of heat shock proteins and unfolded proteins that could reduce the availability of circulating amino acids for milk protein synthesis. The findings of the current experiment may help to explore the impact of heat stress on immune function, milk production, and milk protein synthesis in cows. Abstract Heat stress (HS) exerts significant effects on the production of dairy animals through impairing health and biological functions. However, the molecular mechanisms related to the effect of HS on dairy cow milk production are still largely unknown. The present study employed an RNA-sequencing approach to explore the molecular mechanisms associated with a decline in milk production by the functional analysis of differentially expressed genes (DEGs) in mammary glands of cows exposed to HS and non-heat-stressed cows. The results of the current study reveal that HS increases the rectal temperature and respiratory rate. Cows under HS result in decreased bodyweight, dry matter intake (DMI), and milk yield. In the current study, a total of 213 genes in experimental cow mammary glands was identified as being differentially expressed by DEGs analysis. Among identified genes, 89 were upregulated, and 124 were downregulated. Gene Ontology functional analysis found that biological processes, such as immune response, chaperone-dependent refolding of protein, and heat shock protein binding activity, were notably affected by HS. The Kyoto Encyclopedia of Genes and Genomes enrichment analysis found that almost all of the top-affected pathways were related to immune response. Under HS, the expression of heat shock protein 90 kDa beta I (HSP90B1) and heat shock 70 kDa protein 1A was upregulated, while the expression of bovine lymphocyte antigen (BoLA) and histocompatibility complex, class II, DRB3 (BoLA-DRB3) was downregulated. We further explored the effects of HS on lactation-related genes and pathways and found that HS significantly downregulated the casein genes. Furthermore, HS increased the expression of phosphorylation of mammalian target of rapamycin, cytosolic arginine sensor for mTORC1 subunit 2 (CASTOR2), and cytosolic arginine sensor for mTORC1 subunit 1 (CASTOR1), but decreased the phosphorylation of Janus kinase-2, a signal transducer and activator of transcription factor-5. Based on the findings of DMI, milk yield, casein gene expression, and the genes and pathways identified by functional annotation analysis, it is concluded that HS adversely affects the immune function of dairy cows. These results will be beneficial to understand the underlying mechanism of reduced milk yield in HS cows.
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Lu W, Sun H, Xu M, Luo Y, Jin J, Shao H, Xu ZM, Shao L, Fu S, Jin CH. Blood urea nitrogen may serve as a predictive indicator of retained placenta in dairy cows. Anim Reprod Sci 2020; 218:106481. [PMID: 32507261 DOI: 10.1016/j.anireprosci.2020.106481] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022]
Abstract
Retained placentae (RP) results in significant economic losses to dairy farmers. In Experiment 1, to screen biochemical indicators of RP, 21 cows with RP and 21 cows with no retained placenta (NRP) were selected as a control group, and blood was collected at -7 d, 0 h (parturition) and 12 h. Serum biochemical indicators were ascertained. Results indicate serum concentrations of phosphorus (P) and blood urea nitrogen (BUN) in cows of the RP group were markedly greater than in cows of the NRP group at -7 d (P < 0.01). In Experiment 2, to evaluate predictive indicators for RP, 34 cows with RP and 34 cows with NRP were selected, and there was blood sampling at -15 d, -10 d, -7 d, -4 d, and -1 d. Serum P, BUN, and total protein (TP) were evaluated. Associations of values among the three indicators and occurrence of RP were analyzed using binary logistic regression. Results indicate there was a negative correlation between only the values for BUN and RP (P = 0.016). In Experiment 3, to test hypothesis that relatively greater concentrations of BUN effects immune function in placental tissues, four cows were selected, placentae were collected at 0 and 12 h, and hematoxylin-eosin (HE) staining was performed. Results indicated that the extent of inflammatory cell infiltration and vascular proliferation were less at the 12 than 0-hour timepoint. Taken together, BUN at -7 d may serve as a predictive indicator of RP in cows.
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Affiliation(s)
- Wengeng Lu
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China; Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, No. 2 Xinyang Road Sartu District, Daqing, 163319, China
| | - Hongliang Sun
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Meihua Xu
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Yinghua Luo
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Jidong Jin
- COFEED FEEDMILL (Changchun) CO, LTD, Changchun, 130012, Jilin Province, China
| | - Hongze Shao
- Research Academy of Animal Husbandry and Veterinary Medicine Sciences of Jilin Province, Changchun, 130062, Jilin Province, China
| | - Zheng-Mei Xu
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Liyu Shao
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Shixin Fu
- Laboratory of Theriogenology and Reproductive Health, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, China
| | - Cheng-Hao Jin
- Department of Biochemistry and Molecular Biology, College of Life Science & Technology, Heilongjiang Bayi Agricultural University, Daqing,163319, China; Department of Food Science and Engineering, College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, 163319, China; National Coarse Cereals Engineering Research Center, Heilongjiang Bayi Agricultural University, Daqing, 163319, China.
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Sammad A, Wang YJ, Umer S, Lirong H, Khan I, Khan A, Ahmad B, Wang Y. Nutritional Physiology and Biochemistry of Dairy Cattle under the Influence of Heat Stress: Consequences and Opportunities. Animals (Basel) 2020; 10:ani10050793. [PMID: 32375261 PMCID: PMC7278580 DOI: 10.3390/ani10050793] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/01/2020] [Accepted: 05/02/2020] [Indexed: 12/17/2022] Open
Abstract
Simple Summary Modern dairy cows have elevated internal heat loads caused by high milk production, and the effects of accumulating incremental heat are exacerbated when temperature and humidity increases in the surroundings. To shed this additional heat, cows initiate a variety of adaptive mechanisms including increased respiration rate, panting, sweating, reduced milk yield, vasodilatation, and decreased reproductive performance. Hormonal changes based on reciprocal alterations to the energetic metabolism are particularly accountable for reduced efficiency of the dairy production under the heat stress. As animals experience negative energy balance; glucose, which is also a precursor of milk lactose, becomes the preferential energy fuel. In the absence of proper mitigations, heat stress possesses potential risk of economic losses to dairy sector. Besides physical measures for the timely prediction of the actual heat stress coupled with its proper amelioration, nutritional mitigation strategies should target modulating energetic metabolism and rumen environment. Abstract Higher milk yield and prolificacy of the modern dairy cattle requires high metabolism activities to support them. It causes high heat production by the body, which coupled with increasing environmental temperatures results in heat stress (HS). Production, health, and welfare of modern cattle are severely jeopardized due to their low adaptability to hot conditions. Animal activates a variety of physiological, endocrine, and behavioral mechanisms to cope with HS. Traditionally, decreased feed intake is considered as the major factor towards negative energy balance (NEBAL) leading to a decline in milk production. However, reciprocal changes related to insulin; glucose metabolism; failure of adipose mobilization; and skeletal muscle metabolism have appeared to be the major culprits behind HS specific NEBAL. There exists high insulin activity and glucose become preferential energy fuel. Physiological biochemistry of the heat stressed cows is characterized by low-fat reserves derived NEFA (non-esterified fatty acids) response, despite high energy demands. Besides these, physiological and gut-associated changes and poor feeding practices can further compromise the welfare and production of the heat-stressed cows. Better understanding of HS specific nutritional physiology and metabolic biochemistry of the dairy cattle will primarily help to devise practical interventions in this context. Proper assessment of the HS in cattle and thereby applying relevant cooling measures at dairy seems to be the basic mitigation approach. Score of the nutritional strategies be applied in the eve of HS should target supporting physiological responses of abatement and fulfilling the deficiencies possessed, such as water and minerals. Second line of abatement constitutes proper feeding, which could augment metabolic activities and synergizes energy support. The third line of supplemental supports should be directed towards modulating the metabolic (propionates, thiazolidinediones, dietary buffers, probiotics, and fermentates) and antioxidant responses (vitamins). Comprehensive understanding of the energetic metabolism dynamics under the impact of incremental heat load and complete outlook of pros and cons of the dietary ameliorating substances together with the discovery of the newer relevant supplementations constitutes the future avenues in this context.
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Affiliation(s)
- Abdul Sammad
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Ya Jing Wang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Saqib Umer
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (S.U.); (I.K.)
| | - Hu Lirong
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Imran Khan
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (S.U.); (I.K.)
| | - Adnan Khan
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Baseer Ahmad
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
| | - Yachun Wang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (A.S.); (Y.J.W.); (H.L.); (A.K.); (B.A.)
- Correspondence:
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31
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Ouellet V, Laporta J, Dahl GE. Late gestation heat stress in dairy cows: Effects on dam and daughter. Theriogenology 2020; 150:471-479. [PMID: 32278591 DOI: 10.1016/j.theriogenology.2020.03.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 03/08/2020] [Indexed: 12/15/2022]
Abstract
In dairy cattle, the final weeks before parturition are physiologically challenging and an important determinant of subsequent production performance. External stressors should be carefully managed during this period to avoid adding strain on the animals. Late-gestation heat stress impairs productivity in the dam and exerts transgenerational effects on progeny. Physiological responses are complex and detriments to performance are multifaceted. Late-gestation heat stress blunts mammary gland involution in the first half of the dry period and impairs cell proliferation as calving approaches. Moreover, cows that were exposed to prepartum heat-stress exhibit reduced adipose tissue mobilization and a lower degree of insulin resistance during early lactation. Prepartum heat exposure also depresses immune function and evidence links this decrease to altered prolactin signaling under heat stress. Placental functions are also impaired as reflected in a higher cotyledon mass but lower maternal circulating estrone sulfate concentrations, potentially resulting in lower nutrient supply and reduced calf birth weight. In addition, calves born to heat-stressed dams show impaired immune function and therefore higher disease susceptibly. Novel evidence reported that intrauterine heat stress alters the methylation profile of liver and mammary DNA, which may also contribute to the poorer performance during adulthood of calves exposed to heat stress in utero. Understanding the contribution of all altered biological systems during late-gestation heat stress can be used as a basis for improving cow management during the dry period. This article provides a review of the impacts of late-gestation heat stress and of the emerging understanding of the biological mechanisms that underlie the observed impairments of performance.
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Affiliation(s)
- V Ouellet
- Department of Animal Sciences, University of Florida, Gainesville, 32611, USA
| | - J Laporta
- Department of Animal Sciences, University of Florida, Gainesville, 32611, USA
| | - G E Dahl
- Department of Animal Sciences, University of Florida, Gainesville, 32611, USA.
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Cooke RF, Daigle CL, Moriel P, Smith SB, Tedeschi LO, Vendramini JMB. Cattle adapted to tropical and subtropical environments: social, nutritional, and carcass quality considerations. J Anim Sci 2020; 98:skaa014. [PMID: 31955200 PMCID: PMC7023624 DOI: 10.1093/jas/skaa014] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/14/2020] [Indexed: 02/07/2023] Open
Abstract
Beef production needs to increase from 60 million to 130 million tons by 2050 to feed a growing world population, and 70% of this production increase is expected from beef industries located in subtropical and tropical regions of the world. Bos indicus-influenced cattle predominate in these regions but are often managed using practices developed for Bos taurus breeds reared in temperate climates. Hence, a fundamental step to meet the increasing global demand for beef is to develop specific management for B. indicus-influenced cattle in tropical or subtropical environments. Bos taurus and B. indicus are different subspecies, and diverge in social and biological functions due to selection pressure caused by complex evolutionary and domestication processes. Bos indicus cattle display different social responses compared with B. taurus counterparts, which must be taken into account by management planning as these traits directly impact cattle performance and welfare. In tropical and subtropical regions, warm-season perennial C4 grasses are the dominant forages, and their availability has a significant influence on the productivity of beef cattle systems. The resilience of C4 grasses under adverse conditions is one of their most important characteristics, even though these forages have reduced nutritive value compared with forages from temperate climates. Accordingly, nutritional planning in tropical and subtropical conditions must include management to optimize the quantity and quality of C4 forages. Nutritional requirements of cattle raised within these conditions also require special attention, including inherent metabolic compromises to cope with environmental constraints and altered energy requirements due to body composition and heat tolerance. Nutritional interventions to enhance beef production need to be specifically tailored and validated in B. indicus-influenced cattle. As an example, supplementation programs during gestation or early life to elicit fetal programming or metabolic imprinting effects, respectively, yield discrepant outcomes between subspecies. Bos indicus-influenced cattle produce carcasses with less marbling than B. taurus cattle, despite recent genetic and management advances. This outcome is mostly related to reduced intramuscular adipocyte volume in B. indicus breeds, suggesting a lesser need for energy stored intramuscularly as a mechanism to improve thermotolerance in tropical and subtropical climates.
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Affiliation(s)
- Reinaldo F Cooke
- Department of Animal Science, Texas A&M University, College Station, TX
| | - Courtney L Daigle
- Department of Animal Science, Texas A&M University, College Station, TX
| | - Philipe Moriel
- Range Cattle Research and Education Center, University of Florida, Ona, FL
| | - Stephen B Smith
- Department of Animal Science, Texas A&M University, College Station, TX
| | - Luis O Tedeschi
- Department of Animal Science, Texas A&M University, College Station, TX
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Lakhani P, Kumar P, Alhussien MN, Lakhani N, Grewal S, Vats A. Effect of betaine supplementation on growth performance, nutrient intake and expression of IGF-1 in Karan Fries heifers during thermal stress. Theriogenology 2019; 142:433-440. [PMID: 31711708 DOI: 10.1016/j.theriogenology.2019.10.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 04/25/2019] [Accepted: 10/21/2019] [Indexed: 11/24/2022]
Abstract
Heat stress hampers nutrient utilisation and production of animals, and dietary betaine supplementation can mitigate the adverse effects of heat stress on animals and improve their productivity. The present study was conducted to explore the effects of betaine supplementation on the growth performance of eighteen growing Karan Fries (KF) heifers having similar age and body conditions. The experiment was carried out on three groups (n = 6) of KF heifers viz. control, treatment I (betaine supplemented at 25 g/d/animal), and treatment II (betaine supplemented at 50 g/d/animal). The experiment lasted for eight months covering the three major seasons of Indian tropical conditions viz. hot-dry (temperature humidity index, THI = 83), hot-humid (THI = 85) and thermoneutral season (THI = 73). Blood samples were collected at fortnightly intervals and analysed for plasma growth hormone (GH; competitive ELISA) and total insulin-like growth factor 1 (IGF-1; Sandwich ELISA), as well as expression of IGF-I in peripheral blood mononuclear cells (PBMC) using real-time polymerase chain reaction. Betaine supplementation resulted in significant (p < 0.05) increase in dry matter intake, feed conversion efficiency, body weight gain, plasma GH and IGF-1 levels during all seasons. The concentrations of plasma IGF-1 and the mRNA expression of IGF-1 were higher (p < 0.01) in treatment I as compared to other groups during all seasons. Betaine supplementation at 25 g/d/animal was more cost-effective in improving growth performance of heat-stressed heifers as compared to 50 g/d/animal. The study suggests that the betaine protects intestinal integrity, enhances nutrient utilisation during heat stress and improves growth performance of growing heifers.
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Affiliation(s)
- Preeti Lakhani
- Animal Physiology Division, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Parveen Kumar
- Animal Physiology Division, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Mohanned Naif Alhussien
- Animal Physiology Division, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India.
| | - Neeti Lakhani
- Animal Nutrition Division, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Sonika Grewal
- Animal Physiology Division, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
| | - Ashutosh Vats
- Animal Biotechnology Center, ICAR- National Dairy Research Institute, Karnal, 132001, Haryana, India
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Han J, Shao J, Chen Q, Sun H, Guan L, Li Y, Liu J, Liu H. Transcriptional changes in the hypothalamus, pituitary, and mammary gland underlying decreased lactation performance in mice under heat stress. FASEB J 2019; 33:12588-12601. [PMID: 31480864 DOI: 10.1096/fj.201901045r] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Because of climate change, heat stress (HS) causes more and more impacts on dairy animals to decrease lactation performance. The neuroendocrine system is key in regulating systemic physiological processes and milk synthesis. However, the hypothalamic-pituitary axis response to HS is still unclear. In this study, a group of lactating mice underwent a daily 2-h heat treatment (36°C) for 14 d to explore possible cross-talk between the hypothalamic-pituitary axis and mammary gland under HS. Transcriptome analyses by multitissue RNA-Seq indicated the possible mechanisms of reduced lactation performance in animals under HS. In the hypothalamus, the cAMP signaling pathway was activated to resist neuronal death, and the expression of downstream genes was increased to promote cell survival under HS. Reduced food intake might be caused by down-regulated appetite-related peptide, whereas up-regulated neuropeptide Y acted to attenuate reduced food intake. In pituitary, energy stress from lower food intake might result in reduced secretion of prolactin and growth hormone. Under HS, the mammary gland may undergo hypoxic stress, causing mammary epithelial cell apoptosis. Together, these data showed systemic changes in tissues to accommodate the effects of HS on lactation.-Han, J., Shao, J., Chen, Q., Sun, H., Guan, L., Li, Y., Liu, J., Liu, H. Transcriptional changes in the hypothalamus, pituitary, and mammary gland underlying decreased lactation performance in mice under heat stress.
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Affiliation(s)
- Jialiang Han
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
| | - Juanjuan Shao
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
| | - Qiong Chen
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
| | - Huizeng Sun
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and.,Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Leluo Guan
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and.,Department of Agricultural, Food, and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Yongxin Li
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
| | - Jianxin Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
| | - Hongyun Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, China; and
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Gao ST, Ma L, Zhou Z, Zhou ZK, Baumgard LH, Jiang D, Bionaz M, Bu DP. Heat stress negatively affects the transcriptome related to overall metabolism and milk protein synthesis in mammary tissue of midlactating dairy cows. Physiol Genomics 2019; 51:400-409. [PMID: 31298615 DOI: 10.1152/physiolgenomics.00039.2019] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Inadequate dry matter intake only partially accounts for the decrease in milk protein synthesis during heat stress (HS) in dairy cows. Our hypothesis is that reduced milk protein synthesis during HS in dairy cows is also caused by biological changes within the mammary gland. The objective of this study was to assess the hypothesis via RNA-Seq analysis of mammary tissue. Herein, four dairy cows were used in a crossover design where HS was induced for 9 days in environmental chambers. There was a 30-day washout between periods. Mammary tissue was collected via biopsy at the end of each environmental period (HS or pair-fed and thermal neutral) for transcriptomic analysis. RNA-Seq analysis revealed HS affected >2,777 genes (false discovery rate-adjusted P value < 0.05) in mammary tissue. Expression of main milk protein-encoding genes and several key genes related to regulation of protein synthesis and amino acid and glucose transport were downregulated by HS. Bioinformatics analysis revealed an overall decrease of mammary tissue metabolic activity by HS (especially carbohydrate and lipid metabolism) and an increase in immune activation and inflammation. Network analysis revealed a major role of TNF, IFNG, S100A8, S100A9, and IGF-1 in inducing/controlling the inflammatory response, with a central role of NF-κB in the process of immunoactivation. The same analysis indicated an overall inhibition of PPARγ. Collectively, these data suggest HS directly controls milk protein synthesis via reducing the transcription of metabolic-related genes and increasing inflammation-related genes.
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Affiliation(s)
- S T Gao
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lu Ma
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Z Zhou
- Department of Animal Science, Michigan State University, East Lansing, Michigan
| | - Z K Zhou
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames, Iowa
| | - D Jiang
- Statistics, Oregon State University, Corvallis, Oregon
| | - M Bionaz
- Animal and Rangeland Sciences, Oregon State University, Corvallis, Oregon
| | - D P Bu
- State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
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Madhusoodan A, Sejian V, Afsal A, Bagath M, Krishnan G, Savitha S, Rashamol V, Devaraj C, Bhatta R. Differential expression patterns of candidate genes pertaining to productive and immune functions in hepatic tissue of heat-stressed Salem Black goats. BIOL RHYTHM RES 2019. [DOI: 10.1080/09291016.2019.1607213] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- A.P. Madhusoodan
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
- ICAR-Indian Veterinary Research Institute, Mukteshwar, India
| | - V. Sejian
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - A. Afsal
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - M. Bagath
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - G. Krishnan
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - S.T. Savitha
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
- Veterinary College, Karnataka Veterinary Animal and Fisheries Sciences University, Bangalore, India
| | - V.P. Rashamol
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - C. Devaraj
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
| | - R. Bhatta
- Animal Physiology Division, ICAR-National Institute of Animal Nutrition and Physiology, Bangalore, India
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37
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Chen H, Zhen J, Wu Z, Li X, Liu S, Tang Z, Sun Z. Grape seed extract and chromium nicotinate reduce impacts of heat stress in Simmental × Qinchuan steers. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To assess the impacts of grape seed extract (GSE) fed with or without chromium nicotinate (CN) on beef steers under heat stress conditions, 40 Simmental × Qinchuan steers (400 ± 10 days old; 410 ± 8.0 kg) were randomly assigned to one of four diets (n = 10 per group): basal diet (CON group); basal diet + 33 mg/day CN (CN group); basal diet + 65 mg/kg DM GSE (GSE group); and basal diet + 33 mg/day CN + 65 mg/kg DM GSE (CN + GSE group). This study was conducted in summer and the steers were housed in outdoor shaded pens (10 steers/pen) and fed individually. The experiment lasted for 35 days, the first 7 days for diet and housing condition adaptation. The amount of feed intake was recorded daily; individual bodyweight was recorded on Days 8, 22, and 36. On Day 36 before feeding, six steers per group were slaughtered for collection of blood and tissue samples. Average daily liveweight gain and dry matter intake of steers were increased by the GSE, CN, and CN + GSE treatments (P < 0.05). Dietary treatments increased the activities of glutathione peroxidase and total superoxide dismutase in plasma (P < 0.05) and plasma concentration of interleukin 10 on Days 22 and 36 (P < 0.05), whereas decreased plasma concentration of tumour necrosis factor-α on Day 22 (P < 0.05). Overall, supplementation of GSE alone or with CN had positive effects on the growth performance of steers under heat stress conditions.
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38
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Shao D, Wang Q, Hu Y, Shi S, Tong H. Effects of cyclic heat stress on the phenotypic response, meat quality and muscle glycolysis of breasts and thighs of yellow-feather broilers. ITALIAN JOURNAL OF ANIMAL SCIENCE 2018. [DOI: 10.1080/1828051x.2018.1520051] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Dan Shao
- Department of Poultry Feed and Nutrition, Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
| | - Qiang Wang
- Department of Poultry Feed and Nutrition, Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
| | - Yan Hu
- Department of Poultry Feed and Nutrition, Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
| | - Shourong Shi
- Department of Poultry Feed and Nutrition, Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
| | - Haibing Tong
- Department of Poultry Feed and Nutrition, Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, China
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39
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Kim KS, Seibert JT, Edea Z, Graves KL, Kim ES, Keating AF, Baumgard LH, Ross JW, Rothschild MF. Characterization of the acute heat stress response in gilts: III. Genome-wide association studies of thermotolerance traits in pigs. J Anim Sci 2018; 96:2074-2085. [PMID: 29669012 DOI: 10.1093/jas/sky131] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 04/12/2018] [Indexed: 01/09/2023] Open
Abstract
Heat stress is one of the limiting factors negatively affecting pig production, health, and fertility. Characterizing genomic regions responsible for variation in HS tolerance would be useful in identifying important genetic factor(s) regulating physiological responses to HS. In the present study, we performed genome-wide association analyses for respiration rate (RR), rectal temperature (TR), and skin temperature (TS) during HS in 214 crossbred gilts genotyped for 68,549 single nucleotide polymorphisms (SNP) using the Porcine SNP 70K BeadChip. Considering the top 0.1% smoothed phenotypic variances explained by SNP windows, we detected 26, 26, 21, and 14 genes that reside within SNPs explaining the largest proportion of variance (top 25 SNP windows) and associated with change in RR (ΔRR) from thermoneutral (TN) conditions to HS environment, as well as the change in prepubertal TR (ΔTR), change in postpubertal ΔTR, and change in TS (ΔTS), respectively. The region between 28.85 Mb and 29.10 Mb on chromosome 16 explained about 0.05% of the observed variation for ΔRR. The growth hormone receptor (GHR) gene resides in this region and is associated with the HS response. The other important candidate genes associated with ΔRR (PAIP1, NNT, and TEAD4), ΔTR (LIMS2, TTR, and TEAD4), and ΔTS (ERBB4, FKBP1B, NFATC2, and ATP9A) have reported roles in the cellular stress response. The SNP explaining the largest proportion of variance and located within and in the vicinity of genes were related to apoptosis or cellular stress and are potential candidates that underlie the physiological response to HS in pigs.
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Affiliation(s)
- Kwan-Suk Kim
- Department of Animal Science, Iowa State University, Ames, IA.,Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, Korea
| | - Jacob T Seibert
- Department of Animal Science, Iowa State University, Ames, IA
| | - Zewde Edea
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, Korea
| | - Kody L Graves
- Department of Animal Science, Iowa State University, Ames, IA
| | - Eui-Soo Kim
- Department of Animal Science, Iowa State University, Ames, IA.,Recombinetics, St. Paul, MN
| | | | | | - Jason W Ross
- Department of Animal Science, Iowa State University, Ames, IA
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Expression patterns of candidate genes reflecting the growth performance of goats subjected to heat stress. Mol Biol Rep 2018; 45:2847-2856. [PMID: 30343398 DOI: 10.1007/s11033-018-4440-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/15/2018] [Indexed: 01/20/2023]
Abstract
The study is an attempt to elucidate the molecular mechanisms governing growth performance during heat stress in goats. The primary objective of the study was to establish the influence of heat stress on the expression patterns of different growth related genes in Malabari goats. The study was conducted for a period of 45 days in 12 Malabari goats randomly allocated into two groups: MC (n = 6; Malabari control) and MHS (n = 6; Malabari heat stress). At the end of study period, all 12 animals were slaughtered and their liver tissues were collected for gene expression and histopathological studies. The temperature-humidity-index (THI) inside the shed (74.9) proved that the animals were not stressed while in the outside environment (86.5) the animals were extremely distressed. The hepatic growth hormone (GH), growth hormone receptor (GHR), insulin-like growth factor-1 (IGF-1), leptin (LEP) and leptin receptor (LEPR) gene expression patterns were significantly (P < 0.05) lower in heat stress group as compared to the control group animals. In addition, negative correlation (P < 0.05) was also established between THI and all the growth related gene expression in the study. The hepatic histopathological section showed more fatty and degenerative changes (P < 0.05) in hepatocytes in MHS group as compared to MC group. The study offers the first thorough insight into the expression patterns of different growth related genes during heat stress exposure in goats. Further, the study established GH, GHR, IGF-1, LEP, LEPR genes to be the ideal markers to reflect growth potential in Malabari goats.
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Gottardi FP, Pannunzio Dias e Silva T, Paraguaio PE, Torreão JNDC, Torreão Marques CA, Bezerra LR, Jácome de Araújo M, Machado LP, Abdalla Filho AL. The role of diet on the rhythm of physiological responses of lactating ewes under heat stress. BIOL RHYTHM RES 2018. [DOI: 10.1080/09291016.2018.1528697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Fernanda Patricia Gottardi
- Department of animal science, Federal University of Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, Piauí, Brazil
| | | | - Patrick Elves Paraguaio
- Department of animal science, Federal University of Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, Piauí, Brazil
| | | | | | - Leilson Rocha Bezerra
- Department of animal science, Federal University of Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, Piauí, Brazil
| | - Marcos Jácome de Araújo
- Department of animal science, Federal University of Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, Piauí, Brazil
| | - Luciana Pereira Machado
- Department of veterinary medicine, Federal University of South frontier, Realeza, Paraná, Brazil
| | - Adibe Luiz Abdalla Filho
- Centre for nuclear energy and agriculture, Laboratory of animal nutrition, Piracicaba, São Paulo, Brazil
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de Sousa SV, de Araújo MJ, E Silva TPD, Marques CAT, da Costa Torreão JN, Bezerra LR, de Sousa Lima IS, Gottardi FP. Dietary supplementation for Santa Inês hair ewes on pasture at pre- and postpartum periods: dry matter intake, digestibility, milk production, and mineral metabolism. Trop Anim Health Prod 2018; 50:1903-1912. [PMID: 29931604 DOI: 10.1007/s11250-018-1643-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 06/12/2018] [Indexed: 11/26/2022]
Abstract
The aim of this study was to evaluate the impact of different levels of dietary supplementation and reproductive stages on dry matter intake, digestibility, milk production, and mineral metabolism in Santa Inês hair ewes. Two dietary supplement levels of 0.5 and 1.5%, based on body weight, were used. A total of 12 hair ewes (six subjected to 0.5 and six subjected to 1.5% of concentrate supplementation based on body weight-BW) of the Santa Inês breed were evaluated in a completely randomized design with fixed effects of supplementation level, period, and its interactions. Dry matter intake, digestibility, milk production, and mineral metabolism (calcium (Ca), phosphorus (P), magnesium (Mg), alkaline phosphatase (ALP), type I insulin-like growth factor (IGF-I), parathyroid hormone (PTH), and osteocalcin (OC)) were assessed. Dry matter digestibility was affected by the supplementation level (during both pregnancy and lactation), with higher values in ewes fed at a level of 1.5% of BW. A significant interaction between treatment × reproductive stages was found for the Mg concentration. A period effect (P < 0.05) on serum concentrations of P, Ca/P, Mg, and IGF-I was observed. Serum P concentrations were influenced (P < 0.05) by treatments and reproductive stages. There were significant differences in the Ca/P ratio among the reproductive stages. The enzymatic activity of ALP and serum IGFI differed among reproductive stages. Ewes supplemented at a level of 1.5% of BW produced 18.5% more milk than ewes supplemented at a level of 0.5% of BW. The use of 0.5% of body weight in concentrate supplementation is recommended for the reduction of production costs, without having an effect on the mineral metabolism of Santa Inês hair ewes.
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Affiliation(s)
- Sheila Vilarindo de Sousa
- Programa de Pós-Graduação em Zootecnia, Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI, Brazil
| | - Marcos Jácome de Araújo
- Programa de Pós-Graduação em Zootecnia, Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI, Brazil
| | - Tairon Panunzio Dias E Silva
- Colégio Técnico de Bom Jesus, Universidade Federal do Piauí, Bom Jesus, PI, Brazil.
- Laboratory of Animal Nutrition, Center of Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, SP, 13400-970, Brazil.
| | | | - Jacira Neves da Costa Torreão
- Programa de Pós-Graduação em Zootecnia, Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI, Brazil
| | - Leilson Rocha Bezerra
- Centro de Saúde e Tecnologia Rural, Universidade Federal de Campina Grande, Patos, PB, Brazil
- Instituto Federal de Sergipe, Aracajú, SE, Brazil
| | - Isak Samir de Sousa Lima
- Programa de Pós-Graduação em Zootecnia, Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI, Brazil
| | - Fernanda Patrícia Gottardi
- Programa de Pós-Graduação em Zootecnia, Universidade Federal do Piauí, Campus Professora Cinobelina Elvas, Bom Jesus, PI, Brazil
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Seelenbinder KM, Zhao LD, Hanigan MD, Hulver MW, McMillan RP, Baumgard LH, Selsby JT, Ross JW, Gabler NK, Rhoads RP. Effects of heat stress during porcine reproductive and respiratory syndrome virus infection on metabolic responses in growing pigs. J Anim Sci 2018; 96:1375-1387. [PMID: 29474563 PMCID: PMC6140946 DOI: 10.1093/jas/sky057] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 02/20/2018] [Indexed: 01/15/2023] Open
Abstract
Heat stress (HS) and immune challenges negatively impact nutrient allocation and metabolism in swine, especially due to elevated heat load. In order to assess the effects of HS during Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) infection on metabolism, 9-wk old crossbred barrows were individually housed, fed ad libitum, divided into four treatments: thermo-neutral (TN), thermo-neutral PRRSV infected (TP), HS, and HS PRRSV infected (HP), and subjected to two experimental phases. Phase 1 occurred in TN conditions (22 °C) where half the animals were infected with PRRS virus (n = 12), while the other half (n = 11) remained uninfected. Phase 2 began, after 10 d with half of the uninfected (n = 6) and infected groups (n = 6) transported to heated rooms (35 °C) for 3 d of continuous heat, while the rest remained in TN conditions. Blood samples were collected prior to each phase and at trial completion before sacrifice. PPRS viral load indicated only infected animals were infected. Individual rectal temperature (Tr), respiration rates (RR), and feed intakes (FI) were determined daily. Pigs exposed to either challenge had an increased Tr, (P < 0.0001) whereas RR increased (P < 0.0001) with HS, compared to TN. ADG and BW decreased with challenges compared to TN, with the greatest loss to HP pigs. Markers of muscle degradation such as creatine kinase, creatinine, and urea nitrogen were elevated during challenges. Blood glucose levels tended to decrease in HS pigs. HS tended to decrease white blood cell (WBC) and lymphocytes and increase monocytes and eosinophils during HS. However, neutrophils were significantly increased (P < 0.01) during HP. Metabolic flexibility tended to decrease in PRRS infected pigs as well as HS pigs. Fatty acid oxidation measured by CO2 production decreased in HP pigs. Taken together, these data demonstrate the additive effects of the HP challenge compared to either PRRSV or HS alone.
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Affiliation(s)
| | - Lidan D Zhao
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA
| | - Mark D Hanigan
- Department of Dairy Science, Virginia Tech, Blacksburg, VA
| | - Matthew W Hulver
- Department of Human Nutrition, Foods and Exercise, Virginia Tech, Blacksburg, VA
| | | | | | - Josh T Selsby
- Department of Animal Science, Iowa State University, Ames, IA
| | - Jason W Ross
- Department of Animal Science, Iowa State University, Ames, IA
| | | | - Robert P Rhoads
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, VA
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Collier R, Renquist B, Xiao Y. A 100-Year Review: Stress physiology including heat stress. J Dairy Sci 2017; 100:10367-10380. [DOI: 10.3168/jds.2017-13676] [Citation(s) in RCA: 105] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 08/22/2017] [Indexed: 12/13/2022]
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Kim JM, Lim KS, Byun M, Lee KT, Yang YR, Park M, Lim D, Chai HH, Bang HT, Hwangbo J, Choi YH, Cho YM, Park JE. Identification of the acclimation genes in transcriptomic responses to heat stress of White Pekin duck. Cell Stress Chaperones 2017; 22:787-797. [PMID: 28634817 PMCID: PMC5655367 DOI: 10.1007/s12192-017-0809-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/10/2017] [Accepted: 05/15/2017] [Indexed: 12/14/2022] Open
Abstract
White Pekin duck is an important meat resource in the livestock industries. However, the temperature increase due to global warming has become a serious environmental factor in duck production, because of hyperthermia. Therefore, identifying the gene regulations and understanding the molecular mechanism for adaptation to the warmer environment will provide insightful information on the acclimation system of ducks. This study examined transcriptomic responses to heat stress treatments (3 and 6 h at 35 °C) and control (C, 25 °C) using RNA-sequencing analysis of genes from the breast muscle tissue. Based on three distinct differentially expressed gene (DEG) sets (3H/C, 6H/C, and 6H/3H), the expression patterns of significant DEGs (absolute log2 > 1.0 and false discovery rate < 0.05) were clustered into three responsive gene groups divided into upregulated and downregulated genes. Next, we analyzed the clusters that showed relatively higher expression levels in 3H/C and lower levels in 6H/C with much lower or opposite levels in 6H/3H; we referred to these clusters as the adaptable responsive gene group. These genes were significantly enriched in the ErbB signaling pathway, neuroactive ligand-receptor interaction and type II diabetes mellitus in the KEGG pathways (P < 0.01). From the functional enrichment analysis and significantly regulated genes observed in the enriched pathways, we think that the adaptable responsive genes are responsible for the acclimation mechanism of ducks and suggest that the regulation of phosphoinositide 3-kinase genes including PIK3R6, PIK3R5, and PIK3C2B has an important relationship with the mechanisms of adaptation to heat stress in ducks.
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Affiliation(s)
- Jun-Mo Kim
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Kyu-Sang Lim
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Mijeong Byun
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Kyung-Tai Lee
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Young-Rok Yang
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Mina Park
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Dajeong Lim
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Han-Ha Chai
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Han-Tae Bang
- Poultry Research Institute, National Institute of Animal Science, RDA, Pyeongchang, 25342, Republic of Korea
| | - Jong Hwangbo
- Poultry Research Institute, National Institute of Animal Science, RDA, Pyeongchang, 25342, Republic of Korea
| | - Yang-Ho Choi
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju, 52828, Republic of Korea
- Department of Animal Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Yong-Min Cho
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea
| | - Jong-Eun Park
- Animal Genomics and Bioinformatics Division, National Institute of Animal Science, RDA, Wanju, 55365, Republic of Korea.
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Qureshi MS, Suhail SM, Akhtar S, Khan RU. Postpartum endocrine activities, metabolic attributes and milk yield are influenced by thermal stress in crossbred dairy cows. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2017; 61:1561-1569. [PMID: 28393266 DOI: 10.1007/s00484-017-1335-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2017] [Revised: 03/10/2017] [Accepted: 03/14/2017] [Indexed: 06/07/2023]
Abstract
This study was conducted on 30 freshly parturated multiparous crossbred dairy cows possessing three levels of Holstein Frisian genetic makeup (62.5, 75.0, and 87.5%). Data on temperature humidity index (THI) were classified into comfortable (≤ 71), mild stress (72-79), moderate stress (80-89), and stressful (≥90) zone. Results showed that serum cortisol concentration increased significantly (P < 0.05) in cows during stressful condition irrespective of genetic makeup compared to the other zones. Daily milk yield (DMY) was significantly (P < 0.05) lower in cows during stressful condition. Triglyceride was significantly higher in cows with genetic makeup 87.5% compared to the others, while total serum protein was significantly (P < 0.05) higher in cows during both moderate and stressful conditions. The mean concentration of cortisol and protein increased linearly from comfort to the stressful condition, while mean serum triglyceride, glucose, progesterone (P4), and luteinizing hormone (LH) decreased by moving from comfort to stressful conditions. Results also indicated that higher cortisol level in higher grade crossbred cows was adversely associated with LH concentration and milk yield under thermal stress conditions. Greater triglyceride in high-grade crossbred (87.5%) cows indicates higher fat mobilization reflecting a negative energy balance. We concluded that heat stress increased blood cortisol and protein, and reduced milk yield in dairy cows irresptive of the genetic makeup. In addition, there was no significant difference in blood metabolites and daily milk yield in the different levels of genetic makeup cows.
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Affiliation(s)
- Muhammad Subhan Qureshi
- Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Syed Muhammad Suhail
- Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Sohail Akhtar
- Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Rifat Ullah Khan
- Faculty of Animal Husbandry & Veterinary Sciences, The University of Agriculture, Peshawar, Pakistan.
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Li L, Wang Y, Li C, Wang G. Proteomic analysis to unravel the effect of heat stress on gene expression and milk synthesis in bovine mammary epithelial cells. Anim Sci J 2017; 88:2090-2099. [DOI: 10.1111/asj.12880] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 06/16/2017] [Indexed: 01/25/2023]
Affiliation(s)
- Lian Li
- College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Yiru Wang
- College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Chengmin Li
- College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
| | - Genlin Wang
- College of Animal Science and Technology; Nanjing Agricultural University; Nanjing China
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Xie XZ, Liang C, Li MH, Chen Z. Effects of Gaba on the Thymus Cytokines of Wenchang Chickens Submitted to Heat Stress. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2017. [DOI: 10.1590/1806-9061-2016-0334] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- XZ Xie
- Hainan Normal University, China
| | - C Liang
- Hainan Normal University, China
| | - MH Li
- Hainan Normal University, China
| | - Z Chen
- Hainan Normal University, China
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49
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Bouamra M, Ghozlane F, Ghozlane MK. Factors affecting reproductive performance of dairy cow in Algeria: Effects of clinical mastitis. ACTA ACUST UNITED AC 2017. [DOI: 10.5897/ajb2016.15735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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