Association between bovine leukemia virus, production, and population age in Michigan dairy herds
| Autor: | Erskine, R.J., Bartlett, P.C., Byrem, T.M., Render, C.L., Febvay, C., Houseman, J.T. |
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| Zdroj: | In Journal of Dairy Science February 2012 95(2):727-734 |
| Databáze: | ScienceDirect |
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