Progesterone concentration and lambing rate of Karakul ewes treated with prostaglandin and GnRH combined with the ram effect during breeding and non-breeding seasons.

Abstract

The combination of ram effect with two injections of PGF2α 10-days apart and the same protocol plus an additional injection of GnRH prior to the first injection of PGF2α were examined in Karakul ewes during breeding and non-breeding seasons, respectively. Plasma progesterone (P4) concentrations (to detect the presence of active corpus luteum), twin lambing… (More)
DOI: 10.1016/j.theriogenology.2017.06.005

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