Abstract:This work was carried out with the objective of studying the effect of the anti-reflux device for ovine insemination (DARIO) on the fertility rate in ewes of the native Portuguese breed Churra Galega Bragançana (CGB) artificially inseminated at fixed-time. Eighty-one ewes aged between one and five years were used. At the end of April 2021, ewes’ reproductive control was carried out, using a short progestagen treatment (five days) + equine chorionic gonadotropin (eCG). Cervical artificial insemination (AI) was … Show more
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