Can sheep become infected by grazing pasture contaminated by cattle with Johne's disease?

 

作者: D.R. Ris,   K.L. Hamel,   JenniferM. Ayling,  

 

期刊: New Zealand Veterinary Journal  （Taylor Available online 1987）
卷期: Volume 35, issue 8  

页码: 137-137

 

ISSN:0048-0169

 

年代: 1987

 

DOI:10.1080/00480169.1987.35414

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

 

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