Comparison of ovarian palpation, milk progesterone and plasma progesterone in the cow
Holstein cows were examined twice weekly, beginning at 13 to 18 days after parturition, using palpation per rectum and milk progesterone (P4) assay to determine the functional status of the corpus luteum (CL). These results were then compared with P4 concentrations in the plasma to determine which t...
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Veröffentlicht in: | Theriogenology 1992-09, Vol.38 (3), p.431-439 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Holstein cows were examined twice weekly, beginning at 13 to 18 days after parturition, using palpation per rectum and milk progesterone (P4) assay to determine the functional status of the corpus luteum (CL). These results were then compared with P4 concentrations in the plasma to determine which test was the more accurate in detecting functional luteal tissue, or if both tests were needed for optimal accuracy. The tests were found to be comparable except when the plasma P4 concentration was |
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ISSN: | 0093-691X 1879-3231 |
DOI: | 10.1016/0093-691X(92)90062-V |