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Efecto De La Gnrh En El Proceso Del Reconocimiento Maternal De La Preñez Sobre La Supervivencia Embrionaria En Alpacas., Mariluz Araínga, Victor Leyva V., Wilber Garcia V., Enrique Franco Li.

Journal Articles: Pharmacology & Experimental Neuroscience

The effect of GnRH administered around the time of maternal recognition of prenancy on the embryonic survival rate was studied. This study used 67 adult female alpacas sexually receptive to the male, and bearing a preovulatory follicle ≥ 7mm, detected by rectal ultrasonography. Animals were distributed in three groups: Go (n=23) as control; G1 (n=22) received 6 µg GnRH on day 4 after ovulation; and G2 (n=22) received 4 µg GnRH on days 8 and 9 after ovulation. The ocurrence of ovulation was confirmed through the detection of a corpus luteum (CL) on day 5 after ovulation. Fertilization and gestation …