China Dairy ›› 2026, Vol. 0 ›› Issue (1): 51-57.doi: 10.12377/1671-4393.26.01.08

• FEEDING MANAGEMENT • Previous Articles     Next Articles

Effects of Heat Stress on Dairy Production in Holstein Cows and Comprehensive Prevention and Control Technologies

WANG Xiaotuo1, SHANG Jingjing2, YANG Xiaojuan3, TAN Yudi4, MAO Jiang5, MEI Yincai3,*   

  1. 1. Yunnan New Hope Xuelan Animal Husbandry Technology Co., Ltd., Qujing Yunnan 655000;
    2. Dongying District Animal Husbandry Development Service Center, Dongying Shandong 257000;
    3. New Hope Ecological Animal Husbandry Co., Ltd., Chengdu Sichuan 610063;
    4. Kunming Xuelan Dairy Co., Ltd., Kunming Yunnan 650217;
    5. New Hope Dairy Co., Ltd., Sichuan Key Laboratory of Dairy Nutrition and Function, Chengdu Sichuan 610063
  • Online:2026-01-25 Published:2026-03-09

Abstract: Against the backdrop of global warming and the rapid development of intensive dairy farming,heat stress in Holstein cows caused by high temperature and humidity in summer has become increasingly prominent,posing a key constraint to the efficient development of the dairy industry. Based on the physiological characteristics of Holstein cows,this paper systematically elaborated the scientific criteria for determining heat stress,thoroughly analyzed the multi-dimensional impact mechanisms of heat stress on physiological functions,lactation performance,nutrient metabolism,reproductive performance,and health status,and highlights comprehensive prevention and control technologies that combine physical environmental improvements with dietary management. The study aimed to provide theoretical foundations and practical guidance for scientifically implementing heat stress mitigation measures on dairy farms,thereby alleviating the adverse effects of heat stress on dairy production,ensuring cow health,improving production performance,and promoting sustainable development of the dairy industry.

Key words: Holstein cow, heat stress, production performance, physiological mechanism, prevention and control technology

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