Cryoprotective effect of the egg yolk of different species on the sperm quality of rams under conditions of the Peruvian Altiplano

by Manuel Perez Durand, Liz Apaza Ramos, Rolando Rojas Espinoza, Rolando Alencastre Delgado, Raul Ramirez Mestas, Julio Arizabal Guzman, Uri Perez Guerra
Published 2020-08-01

Evaluation of fertility and subfertility in adult alpacas and tuis using ultrasonography, endometrial cytology and bacterial isolation

by Uri Perez Guerra, Manuel Perez Durand, Lourdes Limache Mamani, Vilma Condori Villegas, Rassiel Macedo Sucar, Eloy Condori Chuchi, Oscar Orós Butrón, Saul Espinoza Molina, María Ignacia Carretero
Published 2020-12-01