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/Dec/2004
Pedro Renan de Barros Bueno, Paulo Roberto Nogara Rorato, João Walter Dürr, Ernesto Enio Budke Krug
DOI: 10.1590/S1516-35982004000900011
In order to study the influence of the economic factor on the objectives used to select the animals, production data of a payment program by milk quality implanted by a milk industry of Rio Grande do Sul were used. The criteria of quality of the referred program consisted of minimum contents of 3.1% of fat, 2.85% of protein and a maximum 500,000 units of somatic cells. The data were stratified in three levels, in agreement with the volume of milk […]
Keywords: milk quality; production cost; profit function; selection objective