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/1999
Luciele Cristina Pelicioni, Carolina Amália de Souza Dantas Muniz, Sandra Aidar de Queiroz
DOI: 10.1590/S1516-35981999000400011
The objetive of this study was to compare the first calving performance of Nellore and F1 crossbred cows. Data used in the study came from 741 calving of Nellore and F1 cows born from the matting of Nellore cows with sires of the breeds Aberdeen Angus, Brangus (black and red), Canchin, Nellore, Gelbvieh and Simental born from 1989 to 1993. The information about 566 calves born from 1991 to 1995, from the matting of these females with the Aberdeen Angus, […]
Keywords: age at first calving; beef cattle; crossbreeding; pre weaning average daily gain