影响犊牛成活率的因素及防制措施

影响犊牛成活率的因素及防制措施

廖厚祥,隗寿延,王庆永,王延春

Factors Affecting Calf's Survival Rate and Its Prevention

畜牧与饲料科学 . 2002, (2): 27 -27 . DOI: 10.12160/j.issn.1672-5190.2002.02.011