VALENCIA MÉNDEZ, J.; PORRAS ALMERAYA, A.; ZARCO QUINTERO, L. A.; CERNA CABRERA, C. Effect of an artificial photoperiod on the resumption of postpartum ovarian activity in Pelibuey ewes in Mexico. Veterinaria México OA, [S. l.], v. 35, n. 003, 2009. Disponível em: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/114. Acesso em: 19 apr. 2025.