1. Response of Barki ewes to treatment with gonadotropin hormones and energy supplementation (flushing);Abu El-Ella;Egypt. J. Sheep Goat Desert Anim. Sci.,2006
2. Aké-López, J.R., Centurión-Castro, F.G., Alfaro-Gamboa, M.A., Aké-Villanueva, J.R., Aké-Villanueva, N.Y., 2013. Sincronización del Estro e Inseminación Artificial en Ovinos. Ed. Universidad Autónoma de Yucatán. Mérida, Yucatán, México . 144 p.
3. Factor influencing the success of vaginal and laparoscopic artificial insemination in Churra ewes: a field assay;Anel;Theriogenology,2005
4. Improvement strategies in ovine artificial insemination;Anel;Reprod. Dom. Anim.,2006
5. Reproductive activity of Pelibuey and Suffolk ewes at 19° north latitude;Arroyo;Anim. Reprod. Sci.,2007