A survey on biosecurity and management practices in Belgian pig herds
| Autor: | Ribbens, S., Dewulf, J., Koenen, F., Mintiens, K., De Sadeleer, L., de Kruif, A., Maes, D. |
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| Zdroj: | In Preventive Veterinary Medicine 17 March 2008 83(3-4):228-241 |
| Databáze: | ScienceDirect |
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