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Circannual changes in progesterone secretion in intact ewes, luteinizing hormone secretion in ovariectomized estradiol-implanted ewes, and prolactin secretion in three sheep breeds anticipated to differ in seasonality of reproduction.
Goff KJ, Knight JW, Pelzer KD, Akers RM, Notter DR. Goff KJ, et al. Among authors: knight jw. Anim Reprod Sci. 2013 May;138(3-4):194-202. doi: 10.1016/j.anireprosci.2013.03.004. Epub 2013 Mar 14. Anim Reprod Sci. 2013. PMID: 23528712
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