摘要
环境温度是温热因素的主要指标,温度高低对家畜健康及生产性能都不利,高温可降低猪采食量和日增重,增加呼吸频率及减弱免疫功能作用,而低温导致猪采食量增加,日增重减缓。文章综述了国内外研究不同温度对生长猪生长性能、健康的影响,以期为养猪生产提供理论参考。
Environmental temperature is a critical parameter for thermal factors.Extreme temperature(too high or too low)would have side effects on animal production.High temperture will reduce food intake and daily weight gain of pigs,increase respiratory frequency and weaken the immunity,while low temperature will lead to the increase of food intake and slow body weight gain.The effects of different temperature on growth performance and health for growing pigs were reviewed in this paper to provide references for swine production.
引文
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