Environmental and animal factors associated with gestation length in Holstein cows and heifers in two herds in the Czech Republic
| Autor: | Tomasek, R., Rezac, P., Havlicek, Z. |
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| Zdroj: | In Theriogenology 1 January 2017 87:100-107 |
| Databáze: | ScienceDirect |
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