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Reproductive activity in sheep is seasonal, being activated by short-day photoperiods and inhibited by long days. During the nonbreeding season, GnRH secretion is reduced by both steroid-independent(More)
Recent evidence has implicated neurokinin B (NKB) in the complex neuronal network mediating the effects of gonadal steroids on the regulation of gonadotrophin-releasing hormone (GnRH) secretion.(More)