Effect of feed levels over empty body weight and their components of lambs from seven genetic groups - Fuzikawa, Ingrid Harumi S; Henrique, Wignez; Costa, Fabiane S; Aferri, Gabriela; Allencar, Maurício M; Esteves, Sérgio N; Pereira, Angélica Simone Cravo (Reunião Anual da Sociedade Brasileira de Zootecnia, 2017)