Comparison of Holstein-Friesian and Norwegian Red dairy cattle for estrus length and estrous signs
| Autor: | Sveberg, G., Rogers, G.W., Cooper, J., Refsdal, A.O., Erhard, H.W., Kommisrud, E., Buckley, F., Waldmann, A., Ropstad, E. |
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| Zdroj: | In Journal of Dairy Science April 2015 98(4):2450-2461 |
| Databáze: | ScienceDirect |
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