Influence of repeated rectal ultrasound examinations on hormone profiles and behaviour around oestrus and ovulation in dairy cattle
| Autor: | Roelofs, Judith B., Bouwman, Emmy G., Dieleman, Steph J., Van Eerdenburg, Frank J.C.M., Kaal-Lansbergen, Lucia M.T.E., Soede, Nicoline M., Kemp, Bas |
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| Zdroj: | In Theriogenology 2004 62(7):1337-1352 |
| Databáze: | ScienceDirect |
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