1. Animal Science Department, Federal University of Campina Grande, Patos, Paraiba, Brazil;
2. School of Veterinary Medicine and Animal Science, Federal University of Bahia, Salvador, Bahia, Brazil;
3. Animal Science Department, Campus Professora Cinobelina Elvas, Federal University of Piauí, Bom Jesus, Piaui, Brazil;
4. Animal Science Department, Federal University of Ceara, Fortaleza, Ceara, Brazil