饲粮中添加25 羟基维生素d3(25 Ohd3)替代维生素d3(vd3)通过增加血清和胫骨钙和磷的吸收和沉积,改善胫骨质量,改善产蛋后期蛋鸡 Template




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tomski饲粮中添加25 羟基维生素d3(25 ohd3)替代维生素d3(vd3)通过增加血清和胫骨钙和磷的吸收和沉积,改善胫骨质量,改善产蛋后期蛋鸡 coloring