Association Between Milk Urea Nitrogen and Fertility in Ohio Dairy Cows
Autor: | Rajala-Schultz, P.J., Saville, W.J.A., Frazer, G.S., Wittum, T.E. |
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Zdroj: | In Journal of Dairy Science February 2001 84(2):482-489 |
Databáze: | ScienceDirect |
Externí odkaz: |