| Autor: |
Avenell, J. A., Saepudin, Y., Fletcher, I. C. |
| Zdroj: |
Reproduction; July 1985, Vol. 74 Issue: 2 p419-424, 6p |
| Abstrakt: |
Summary.Peripheral plasma concentrations of LH, oestradiol-17β and progesterone were measured in 13 mature swamp buffalo cows at 4-h intervals from 36–40 h before until 36–40 h after the onset of oestrus. Mean LH concentrations increased sharply to a peak of 35 ng/ml and returned to basal levels of 5 ng/ml within a 12-h period beginning soon after the onset of oestrus. Mean oestradiol-17β concentrations were within the range 9–13 pg/ml from 36–40 h before until 12–16 h after the onset of oestrus, and within the range 7–9 pg/ml thereafter. Progesterone concentrations remained around 0·1 ng/ml throughout the sampling period. There were no significant differences in hormone concentrations or changes between cows that conceived and those that did not conceive to artificial insemination 12–24 h after onset of oestrus. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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