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Postpartum reproductive performance in the multiparous mare fed to obesity
J.R. Kubiak,
J.W. Evans,
G.D. Potter,
P.G. Harms,
W.L. Jenkins
Theriogenology
Volume 32, Issue 1, July 1989, Pages 27–36
http://dx.doi.org/10.1016/0093-691X(89)90518-9