Transcervical embryo recovery in Lacaune ewes superovulated with different doses of FSH.

Abstract

This study assessed the effect of different FSH dosages for superovulation and the feasibility of transcervical embryo recovery in Lacaune ewes. Ewes (n = 2 5) received 60 mg medroxiprogesterone acetate sponge (Progespon®, Syntex, Buenos Aires, Argentina) for nine days, 37.5 μg d-cloprostenol i.m. (Prolise®, Tecnopec, São Paulo, Brazil) 24 h before sponge removal and 50 μg gonadorelin (GnRH analogue, Gestran®, Tecnopec, São Paulo, Brazil) 24 h after sponge removal. The protocol for cervical relaxation was efficient to allow the transcervical embryo recovery of Lacaune ewes

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