de Lucas Tron J, Zarco Quintero LA, González Padilla E, Tórtora Pérez J, Vásquez Peláez C. Biological evaluation of two breeding systems of intensive production in the Columbia breed sheep. Vet Mex OA [Internet]. 2009 Oct. 5 [cited 2025 May 14];40(2). Available from: https://veterinariamexico.fmvz.unam.mx/index.php/vet/article/view/231