Associations between reproductive performance and seropositivity for bovine leukemia virus, bovine viral-diarrhea virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum in Canadian dairy cows
Autor: | VanLeeuwen, J.A. a, ⁎, Haddad, J.P. a, Dohoo, I.R. a, Keefe, G.P. a, Tiwari, A. a, Tremblay, R. b |
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Zdroj: | In Preventive Veterinary Medicine 2010 94(1):54-64 |
Databáze: | ScienceDirect |
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