Herd-level factors for Brucella seropositivity in cattle reared in smallholder dairy farms of Zimbabwe
| Autor: | Matope, G., Bhebhe, E., Muma, J.B., Lund, A., Skjerve, E. |
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| Zdroj: | In Preventive Veterinary Medicine 2010 94(3):213-221 |
| Databáze: | ScienceDirect |
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