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.
Antonia Sherlânea Chaves Véras, Sebastião de Campos Valadares Filho, José Fernando Coelho da Silva, Mário Fonseca Paulino, Paulo Roberto Cecon, Marcelo de Andrade Ferreira, [...]
01/Jun/2001
Antonia Sherlânea Chaves Véras, Sebastião de Campos Valadares Filho, José Fernando Coelho da Silva, Mário Fonseca Paulino, Paulo Roberto Cecon, Marcelo de Andrade Ferreira, [...]
DOI: 10.1590/S1516-35982001000400030
This work was carried out to compile data of two experiments (I and II) of energy and protein requirements, to enlarge the available information on nutritional requirements of bovine in national level. In the experiment I, 30 Nellore bulls were used and in the experiment II, 29 F1 Simental x Nellore bulls were used. In the both experiments, the animals were fed diets with 25, 37.5, 50, 62.5, and 75% of concentrate. The methodologies and the procedures were standardized and […]
Keywords: energy; F1 Simental x Nellore; Nellore; protein; requirements
Antonia Sherlânea Chaves Véras, Sebastião de Campos Valadares Filho, José Fernando Coelho da Silva, Mário Fonseca Paulino, Paulo Roberto Cecon, Rilene Ferreira Diniz Valadares, [...]
01/Jun/2001
Antonia Sherlânea Chaves Véras, Sebastião de Campos Valadares Filho, José Fernando Coelho da Silva, Mário Fonseca Paulino, Paulo Roberto Cecon, Rilene Ferreira Diniz Valadares, [...]
DOI: 10.1590/S1516-35982001000400028
Thirty Nellore bulls, averaging 330 kg and 20 months of age, were used to obtain the prediction equations of body chemical composition, from the chemical composition of section HH (Hankins and Howe). After a period of adaptation of 40 days, five animals were slaughtered as reference to estimate the empty body weight and the initial body composition of the 25 animals remaining, that were allotted to five treatments with different dietary levels of concentrate in the dry matter (25.0, 37.5, […]
Keywords: chemical composition; F1 Simental x Nellore; Nellore; section HH