• Through checking the available contents of trace elements in typical diets with the nutrient requirement of swine and chicken, whether the elements are surplus or deficient is discriminated.

    典型配方计算,再猪、营养需要量比较,我省猪、鸡饲料中微量元素作出了判定。

    youdao

  • Through checking the available contents of trace elements in typical diets with the nutrient requirement of swine and chicken, whether the elements are surplus or deficient is discriminated.

    典型配方计算,再猪、营养需要量比较,我省猪、鸡饲料中微量元素作出了判定。

    youdao

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