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/Aug/2004
Anel Atencio, Luiz Fernando Teixeira Albino, Horacio Santiago Rostagno, Jean Eduardo de Oliveira, Flávio Medeiros Vieites, Juarez Lopes Donzele
DOI: 10.1590/S1516-35982004000400008
Three assays were carried out to determine the threonine requirement and the digestible threonine:lysine ratio of broiler males, Avian Farm, from 1 to 20, 24 to 38 and 44 to 56 days of age. A completely randomized design with five levels of threonine, six replicates and 20 birds per pen from 1 to 20 and 24 to 38, and 16 birds per pens from 44 to 56 were used in each experiment. The concentrations of digestible threonine were 0.684 to […]
Keywords: amino acid; nutrition; poultry; protein
01/Jun/2002
Adriana Helena do Nascimento, Paulo Cezar Gomes, Luiz Fernando Teixeira Albino, Horacio Santiago Rostagno, Robledo de Almeida Torres
DOI: 10.1590/S1516-35982002000600012
A serie of experiments was carried out with the objective to determine the nutritive value of nine poultry by-product meal and six feather meal for chickens. Four different methodologies were used to determine the values of N corrected apparent (AMEn) and true corrected (TMEn) metabolizable energy, where the traditional method was used with chicks and cocks and the Sibbald method was used with roosters and cecectomized cocks. The estimated AMEn and TMEn values of viscera meal ranged from 3,051 to […]
Keywords: feather meal; metabolizable energy; methodologies; poultry; viscera meal