农业科学

• 不同油脂

  In the second stage, calcium depositing in eggshell and feces were respectively study that were affected by different lipins diet.

  第二阶段,分别研究饲料中添加不同油脂对47周龄海兰褐蛋鸡鸡蛋壳中钙沉积、鸡粪中钙含量的影响。