Risk factors associated with Mycobacterium avium subspecies paratuberculosis seropositivity in Canadian dairy cows and herds
| Autor: | Tiwari, A., VanLeeuwen, J.A., Dohoo, I.R., Keefe, G.P., Haddad, J.P., Scott, H.M., Whiting, T. |
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| Zdroj: | In Preventive Veterinary Medicine 2009 88(1):32-41 |
| Databáze: | ScienceDirect |
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