Chinas cattle farming industry has grown rapidly in recent years, with a significant impact on the countrys economy. ......
采用八种综合措施降低猪热应激 ，具体如下： (1)搭棚遮阴。对开放式猪舍，要搭凉棚遮阴，不让日光直射。 (2)调整饲料。盛夏要相对减少日粮中的能量饲料，增加青绿饲料，盛夏能量饲料为日粮的40%—50%，青绿饲料要由每餐......
