The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
01/May/1999
Mário Fonseca Paulino, Carlos Augusto de Alencar Fontes, André Mendes Jorge, Paulo Gomes Júnior
DOI: 10.1590/S1516-35981999000300028
The body composition and the requirements for weight gain of energy and protein of cattle from four Zebu breeds (Gyr, Guzera, Mocho-Tabapuã and Nellore) were estimated with 63 bulls averaging 24 months of age and 366 kg LW initial. Fifteen animals, four from Gyr, Guzera and Mocho-Tabapuã breed and three from Nellore breed, were slaughtered at the beginning of the trial and the remaining were allotted to three groups, with three animals from each breed, which were individually full fed […]
Keywords: energy; protein; weight gain; Zebu breed