Variation in the oxytocin content of caprine corpora lutea across the breeding season |
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Authors: | Freeman L C Currie W B |
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Institution: | Department of Animal Science Cornell University Ithaca, NY 14853 USA. |
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Abstract: | Ovarian tissues were obtained from cyclic goats during the early, mid and late breeding season. Immunoreactive oxytocin was measured by RIA in tissue extracts after chromatography on octadecylsilica cartridges. Luteal oxytocin concentrations were significantly greater during the early breeding season than during the mid or late breeding season. Oxytocin is luteolytic in goats. High concentrations of luteal oxytocin may be related to the high incidence of short estrus at the onset of the breeding season. |
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Keywords: | goat corpora lutea oxytocin season |
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