1. Tett SFB, Stott PA, Allen MR, Ingram WJ, Mitchell JFB. Causes of twentieth-century temperature change near the Earth’s surface. Nature 1999; 399:569–72.
https://doi.org/10.1038/21164
2. Attia YA, Hassan RA, Qota EMA. Recovery from adverse effects of heat stress on slow-growing chicks in the tropics 1: effect of ascorbic acid and different levels of betaine. Trop Anim Health Prod 2009; 41:807–18.
https://doi.org/10.1007/s11250-008-9256-9
5. Guo K, Cao H, Zhu Y, et al. Improving effects of dietary rumen protected γ-aminobutyric acid additive on apparent nutrient digestibility, growth performance and health status in heat-stressed beef cattle. Anim Sci J 2018; 89:1280–6.
https://doi.org/10.1111/asj.13053
7. Barido FH, Utama DT, Jong HS, et al. The effect of finishing diet supplemented with methionine/lysine and methionine/α-tocopherol on performance, carcass traits and meat quality of Hanwoo steers. Asian-Australas J Anim Sci 2020; 33:69–78.
https://doi.org/10.5713/ajas.19.0209
8. Wen C, Jiang XY, Ding LR, Wang T, Zhou YM. Effects of dietary methionine on growth performance, meat quality and oxidative status of breast muscle in fast- and slow-growing broilers. Poult Sci 2017; 96:1707–14.
https://doi.org/10.3382/ps/pew432
9. Nakamura H, Takishima T, Kometani T, Yokogoshi H. Psychological stress-reducing effect of chocolate enriched with γ-aminobutyric acid (GABA) in humans: assessment of stress using heart rate variability and salivary chromogranin A. Int J Food Sci Nutr 2009; 60:106–13.
https://doi.org/10.1080/09637480802558508
12. Chand N, Muhammad S, Khan RU, Alhidary IA, Rehman Z. Ameliorative effect of synthetic γ-aminobutyric acid (GABA) on performance traits, antioxidant status and immune response in broiler exposed to cyclic heat stress. Environ Sci Pollut Res 2016; 23:23930–5.
https://doi.org/10.1007/s11356-016-7604-2
13. Zhang M, Zou X, Li H, Dong X, Zhao W. Effect of dietary γ-aminobutyric acid on laying performance, egg quality, immune activity and endocrine hormone in heat-stressed Roman hens. Anim Sci J 2012; 83:141–7.
https://doi.org/10.1111/j.1740-0929.2011.00939.x
14. Zhu YZ, Cheng JL, Ren M, Yin L, Piao XS. Effect of γ-aminobutyric acid-producing
Lactobacillus strain on laying performance, egg quality and serum enzyme activity in Hy-line brown hens under heat stress. Asian-Australas J Anim Sci 2015; 28:1006–13.
https://doi.org/10.5713/ajas.15.0119
16. Wang DM, Wang C, Liu HY, Liu JX, Ferguson JD. Effects of rumen-protected γ-aminobutyric acid on feed intake, lactation performance, and antioxidative status in early lactating dairy cows. J Dairy Sci 2013; 96:3222–7.
https://doi.org/10.3168/jds.2012-6285
17. National Research Council. Nutrient requirements of beef cattle. 7th rev edWashington, DC, USA: The National Academies Press; 2000.
18. Horwutz W. Official methods of analysis. 17th editionGaithersburg, MD, USA: AOAC International; 2002.
23. Folch J, Lees M, Stanley GHS. A simple method for the isolation and purification of total lipides from animal tissues. J Biol Chem 1957; 226:497–509.
24. Rhoads ML, Rhoads RP, VanBaale MJ, et al. Effects of heat stress and plane of nutrition on lactating Holstein cows: I. production, metabolism, and aspects of circulating somatotropin. J Dairy Sci 2009; 92:1986–97.
https://doi.org/10.3168/jds.2008-1641
25. Jian W, Duangjinda M, Vajrabukka C, Katawatin S. Differences of skin morphology in
Bos indicus,
Bos taurus, and their crossbreds. Int J Biometeorol 2014; 58:1087–94.
https://doi.org/10.1007/s00484-013-0700-9
27. Li YH, Li F, Liu M, et al. Effect of γ-aminobutyric acid on growth performance, behavior and plasma hormones in weaned pigs. Can J Anim Sci 2015; 95:165–71.
https://doi.org/10.4141/cjas2013-148
28. Xu Q, Zhang Q, Tang G, Tang G. Effect of γ-aminobutyric acid on performance and hormones of finishing pig in heat stress environment. Acta Ecol Anim Domastici 2009; 30:28–32.
29. Gropp E, Shanabrough M, Borok E, et al. Agouti-related peptide-expressing neurons are mandatory for feeding. Nat Neurosci 2005; 8:1289–91.
https://doi.org/10.1038/nn1548
32. Walls AB, Waagepetersen HS, Bak LK, Schousboe A, Sonnewald U. The glutamine-glutamate/GABA cycle: function, regional differences in glutamate and GABA production and effects of interference with GABA metabolism. Neurochem Res 2015; 40:402–9.
https://doi.org/10.1007/s11064-014-1473-1
34. Chen Z, Xie J, Wang B, Tang J. Effect of γ-aminobutyric acid on digestive enzymes, absorption function, and immune function of intestinal mucosa in heat-stressed chicken. Poult Sci 2014; 93:2490–500.
https://doi.org/10.3382/ps.2013-03398
35. Chen Z, Tang J, Sun YQ, Xie J. Protective effect of γ-aminobutyric acid on antioxidation function in intestinal mucosa of Wenchang chicken induced by heat stress. J Anim Plant Sci 2013; 23:1634–41.
36. Cheng J, Zheng N, Sun X, Li S, Wang J, Zhang Y. Feeding rumen-protected gamma-aminobutyric acid enhances the immune response and antioxidant status of heat-stressed lactating dairy cows. J Therm Biol 2016; 60:103–8.
https://doi.org/10.1016/j.jtherbio.2016.06.011
37. Hosford AD, Hergenreder JE, Kim JK, et al. Effects of supplemental lysine and methionine with zilpaterol hydrochloride on feedlot performance, carcass merit, and skeletal muscle fiber characteristics in finishing feedlot cattle. J Anim Sci 2015; 93:4532–44.
https://doi.org/10.2527/jas.2015-9047
38. Lee SK, Panjono P, Kang SM, Kim TS, Park YS. The effects of dietary sulfur and vitamin E supplementation on the quality of beef from the longissimus muscle of Hanwoo bulls. Asian-Australas J Anim Sci 2008; 21:1059–66.
https://doi.org/10.5713/ajas.2008.70372