【摘要】 夏季持续的高温引发牛的热应激是夏季肉牛养殖产业面临的挑战之一。综述了热应激对肉牛机体造成的不良影响以及预防措施，不良影响包括生产性能下降、生理行为改变、血液生化指标改变、抗氧化功能下降、免疫功能下降和对肠道菌群的影响，预防措施包括物理降温、优化管理措施、选育耐热品种等来缓解和预防肉牛热应激，通过这些预防措施来减轻热应激可提高肉牛养殖的生产水平，促进肉牛养殖业健康发展。更多还原

【Abstract】 One of the challenges faced by the summer beef cattle breeding industry is the heat stress in cattle caused by sustained high temperatures in summer. This paper reviewed many adverse effects of heat stress on beef cattle and preventive measures, including decreased production performance, physiological behavior changes, blood biochemical indexes changes, decreased antioxidant function, decreased immune function and effects on intestinal flora. Preventive measures include physical cooling, optimized management measures, and breeding heat-resistant breeds to alleviate and prevent heat stress in beef cattle. Alleviating heat stress through these preventive measures can improve the production level of beef cattle breeding and promote the healthy development of beef cattle breeding.更多还原