1. Unidad Regional Universitaria de Zonas Aridas, Universidad Autonoma Chapingo, Bermejillo, Durango 35230, Mexico
2. Department of Animal Medicine and Surgery, Faculty of Veterinary Medicine, University of Cordoba, 14014 Cordoba, Spain
3. Programa de Posgrado en Ciencias en Produccioon Agropecuaria, Universidad Autonoma Agraria Antonio Narro, Periferico Raúl López Sanchez y Carretera a Santa Fe, Torreon 27054, Mexico
4. Departamento de Neurobiologia Celular y Molecular, Laboratorio de Neuroanatomia Funcional y Neuroendocrinologia, Instituto de Neurobiologia, UNAM, Queretaro 76230, Mexico
5. Department of Chemical and Environmental Technology, Technological University of Rodeo, Durango 35760, Mexico