Nocturnal variation of prolactin secretion in the Mouflon (Ovis gmelini musimon) and domestic sheep (Ovis aries): seasonal changes.
作者： J Santiago-Moreno , A González-Bulnes , A.Gómez Brunet , A.del Campo , R Picazo
DOI: 10.1016/S0378-4320(00)00213-X
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摘要: Abstract Seasonal changes in nocturnal prolactin secretion and their relationship with melatonin were monitored wild (Mouflon, Ovis gmelini musimon) domesticated sheep (breed Manchega, aries). Two groups of eleven adult females each, maintained outdoors under natural photoperiod. Plasma concentrations determined during the summer winter solstices autumn spring equinoxes. Blood samples collected every 3 h night hours, 1 h before after onset darkness sunrise. Maximum mean plasma dark-phase Mouflons observed solstice, (P
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