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Effects of a mastitis control programme on the incidence of clinical mastitis1

 

作者: J. Verhoeff,   D. van de Geer,   F. M. Hagens,  

 

期刊: Veterinary Quarterly  （Taylor Available online 1981）
卷期: Volume 3, issue 4  

页码: 158-208

 

ISSN:0165-2176

 

年代: 1981

 

DOI:10.1080/01652176.1981.9693820

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The results of a mastitis control field experiment in Utrecht over three and a half years, including sevens herds with a total of 225 lactating cows are presented. Every case of clinical mastitis was examined bacteriologically. Quarter samples were taken routinely at an average interval of five weeks.

 

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