Effects of bovine respiratory disease on the productivity of dairy heifers quantified by experts
| Autor: | van der Fels-Klerx, H.J ∗, Saatkamp, H.W, Verhoeff, J, Dijkhuizen, A.A |
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| Zdroj: | In Livestock Production Science 2002 75(2):157-166 |
| Databáze: | ScienceDirect |
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