Photoperiodic requirements for timing on
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Nancy L. Wayne; Benoรฎt Malpaux; Fred J. Karsch
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Article
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1990
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Springer
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English
โ 924 KB
A study was conducted to test the hypothesis that different portions of the annual photoperiodic cycle play different roles in timing the breeding season of the ewe, Ovis aries, an animal in which an endogenous rhythm generates the seasonal reproductive transitions. Adult female sheep were pinealect