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Three experiments were conducted to determine the effects of presynchronization and treatment with equine chorionic gonadotropin (eCG) on corpus luteum (CL) and ovarian follicular development, plasma progesterone concentrations, and pregnancy rates in beef heifers subjected to a gonadotropin...

Small, J. A.; Colazo, M. G.; Kastelic, J. P.; Erickson, N. E.; Mapletoft, R. J.
Agricultural Institute of Canada, Ottawa, Canada
Canadian Journal of Animal Science, 2010, 90, 1, pp 23-34