Validity of prepartum changes in vaginal and rectal temperature to predict calving in dairy cows
| Autor: | Burfeind, O., Suthar, V.S., Voigtsberger, R., Bonk, S., Heuwieser, W. |
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| Zdroj: | In Journal of Dairy Science October 2011 94(10):5053-5061 |
| Databáze: | ScienceDirect |
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