鸡群免疫失败原因分析

鸡群免疫失败原因分析

李凤霞

Cause Analysis of Immunization Failure in the Herd of Chicken

畜牧与饲料科学 . 2012, (8): 107 -107 . DOI: 10.12160/j.issn.1672-5190.2012.08.063