Galaviz-Rodríguez JR, Ramírez-Bribiesca JE, Vargas-López S, Zaragoza-Ramírez JL, Guerrero-Rodríguez JD, Mellado-Bosque M, et al. Effect of three production systems of central Mexico on growth performance of five lamb genotypes. Journal of Animal and Plant Sciences. 2014;24(5):1303-1308.