益生素制剂在蛋种鸡生产中的推广应用

李玉清,杨久仙,张孝和,彭晓培,张浩

Popularization and Application of Probiotics Preparations in the Production of Laying Breeder Hens

畜牧与饲料科学 . 2011, (6): 86 -86 . DOI: 10.12160/j.issn.1672-5190.2011.06.045