热应激对家禽的影响 - Nutrex

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当家禽处于“ 热中性区 ”之外时，家禽必须主动消耗能量来维持正常体温和新陈代谢，削减用于生长和产肉/蛋的能耗。当鸡气喘吁吁地散热时，每蒸发1毫升水，就会损失540大卡的能量。另外，在热应激期间，采食量减少而饮水量增加，从而导致肉鸡的饲料转化率变差，增重下降。热应激时蛋鸡和种鸡的产蛋数量、大小以及蛋壳质量下降，种蛋受精率和孵化率降低。

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