Effect of different nonprotein nitrogen sources on meat characteristics of feedlot finished Nelore steers - Corte, Rosana Rüegger Pereira da Silva; Nogueira Filho, José Carlos Machado; Brito, F. O.; Leme, Paulo Roberto; Pereira, Angélica Simone Cravo; Aferri, Gabriela; Silva, Saulo da Luz e (Annual Meeting of the European Association for Animal Production, 2010)