热应激对鸡体热调节、生产性能和机体健康影响的研究进展

doi:10.16431/j.cnki.1671-7236.2026.01.004

Abstract

Abstract:

Heat stress is a common environmental issue in poultry production. Chickens’ skin lacks sweat glands， and their body heat regulation ability is limited under high-temperature conditions. In severe cases， this can have a negative impact on their production performance. This article expounds the key physiological and behavioral responses of chickens under high-temperature stress， including a sharp increase in respiratory rate， elevated body temperature， a significant reduction in feed intake， and a sharp increase in water intake. The underlying mechanism was analyzed， covering the activation and disorder of the neuroendocrine system （hypothalamic-pituitary-adrenal axis， hypothalamic-pituitary-gonadal axis and hypothalamic-pituitary-thyroid axis）. Since heat stress induces a series of negative effects in chickens，impairing intestinal health， antioxidant capacity and immune function， it ultimately compromises production performance， reproductive performance and product quality. Therefore， a thorough understanding of the impact of heat stress on the body heat regulation and production performance of chickens is of vital importance in chicken production. The author reviewed the mechanism by which heat stress affects the body heat regulation and production performance of chickens， with the aim of providing theoretical basis and practical guidance for the health management and production efficiency improvement of chickens.

Key words: heat stress; chickens; body heat regulation; production performance

CLC Number:

S815.5

ZHANG Shaoshuai, CHAI Haoliang, WU Hongzhi, HOU Guanyu, ZHANG Minhong. Heat Stress Impacts on Thermoregulation， Production Performance， and Organismal Health in Chickens： Research Advance[J]. China Animal Husbandry & Veterinary Medicine, 2026, 53(1): 39-48.

Figures/Tables 1

References 72

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品种 Breeds	日龄 Days	温度 Temperature/℃		影响 Influence	参考文献 References
品种 Breeds	日龄 Days	对照组 Control group	高温组 High temperature group	影响 Influence	参考文献 References
罗斯308肉鸡 Ross-308 broilers	17~31	24±1	33	体增重下降50%	Kim等^［11］
科宝肉鸡 Cobb broilers	56	—	35	体增重降低20%	Sutton等^［14］
爱拔益加肉鸡 Arbor Acres broilers	21	22±2	28~35	改变肠道菌群结构，损伤肠道黏膜	李秋粉^［15］
爱拔益加肉种母鸡 Arbor Acres broiler breeder hens	133	21±0.5	32	产蛋率和蛋壳质量下降	唐丽^［16］
岭南黄羽肉鸡 Lingnan Yellow-feathered broilers	21	26	30~38	采食量和生长速度显著下降	刘文佐^［17］
中速型黄羽肉鸡 Medium-speed Yellow- feathered broilers	32	26	35	胸腺、脾脏、法氏囊指数显著降低	钟光等^［18］
雄性快速型黄羽肉鸡 Male fast-growing Yellow-feathered broilers	35	26±1	30~34	十二指肠、空肠、回肠的绒毛高度、隐窝深度均显著降低	陈静龙等^［19］
济宁百日鸡 Jining 100-day chickens	112	25±0.26	38±0.26	卵泡发育受阻	李永洙等^［20］
北京油鸡 Beijing-You chickens	49	25±0.38	35±0.37	影响脂肪沉积部位和速率	郝婧宇等^［21］
儋州鸡Danzhou chickens	21	25±2	36±2	肝脏水泡变性，肝细胞索排列紊乱	吴怡佳等^［22］

Heat Stress Impacts on Thermoregulation， Production Performance， and Organismal Health in Chickens： Research Advance

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[4]	YANG Zhenxiang, LI Lingui, LI Changchang, MA Wenbin, LIU Yanfeng, YANG Huiguo, WANG Wenqi, LI Changqing. Effect of Adding Yeast Cultures During Mid to Late Gestation on Production Performance， Postpartum Serum Indices and Rumen Fermentation Parameters in Ewes [J]. China Animal Husbandry & Veterinary Medicine, 2026, 53(2): 810-818.
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