Effects of arterial infusions of adrenalin and acetylcholine on luteal secretion of progesterone and oxytocin in goats
1998
Cooke, R.G. | Payne, J.H.
The effects of close intra-arterial infusion of acetylcholine and adrenalin on ovarian secretion of progesterone and oxytocin were examined on Day 10 of the estrous cycle in goats (estrus = Day 0). Acetylcholine (15 microgram/min) was without effect, but adrenalin (10 microgram/min) significantly (P < 0.001) raised both progesterone and oxytocin concentrations in ovarian vein plasma. These results show that luteal hormone secretion is enhanced in the goat by beta-adrenergic stimulation and suggest that, as in the sheep and cow, there may be neuroendocrine involvement in the regulation of caprine luteal function.
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