A retrospective study on the relationships of vaccination status of reactor animals, management practices at calving and herd size to eradicating brucellosis in 79 dairy herds.
作者信息
Vanderwagen L C, Sharp J, Meyer M E
出版信息
Proc Annu Meet U S Anim Health Assoc. 1977(81):83-96.
PMID:286367
Abstract
摘要
Zotero 插件