1. Department of Avian Medicine and Zootechnics Faculty of Veterinary Medicine and Zootechnics National Autonomous University of Mexico Mexico City04510Mexico
2. Department of Biotechnology in Animal Health National Institute of Forestry Agricultural and Livestock Research Mexico City01219Mexico
3. Department of Preventive Medicine and Public Health Faculty of Veterinary Medicine and Zootechnics National Autonomous University of Mexico Mexico City04510Mexico