Effects of a single day of feed restriction on changes in serum leptin, gonadotropins, prolactin, and metabolites in aged and young mares |
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| Authors: | McManus C J Fitzgerald B P |
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| Institution: | Department of Veterinary Science; Maxwell Gluck Equine Research Center, University of Kentucky, Lexington, KY 40546-0099, USA. cjmcma00@pop.uk.edu |
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| Abstract: | In a variety of species, short-term feed restriction leads to rapid changes in the reproductive axis and reduces serum levels of leptin. Two experiments were performed to test the hypothesis that a single day of feed restriction in aged and young mares would cause a suppression of the gonadotropins and serum leptin concentrations. The estrous cycles of 12 aged (>eight years; Exp. 1) and eight young (
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