Modeling the Effect of Lameness on Culling of Dairy Cows in Tehran Province

Objective-To assess the effect of lameness on culling of dairy cows in Tehran province.<br /> Design- Historical cohort study.<br /> Study population and procedures- 7067 first- and second-parity Holstein dairy cows that calved from March, 21 2007 to March, 20 2008 were until next calvin...

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Main Authors: Alireza Bahonar, Hamid Sharifi, Saied Bokaie, Mehdi Vodjgani, Abbas Rahimi Foroushani, Ali Akbar Haghdoost
格式: Artigo
語言:Inglês
出版: Iranian Veterinary Surgery Association (IVSA) 2009-08-01
叢編:Iranian Journal of Veterinary Surgery
主題:
Culling
dairy cow
logistic regression
Tehran Province
在線閱讀:http://www.ivsajournals.com/article_3153_492ea83024746e389c384e621643fbf2.pdf
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