1. Department of Agricultural Engineering, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
2. Animal Science Department, McGill University, Sainte-Anne-de-Bellevue, QC H9X 3V9, Canada
3. Department of Animal Science, Universidade Federal de Viçosa, Viçosa 36570-900, MG, Brazil
4. Department of Agronomy, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina 39100-000, MG, Brazil