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/2001
Fabiano Veraldo da Costa Pita, Lucia Galvão de Albuquerque
DOI: 10.1590/S1516-35982001000800008
The aim of this work was to estimate selection response for performance traits average daily gain (ADG), off-test age (A95) and number of days on test (ND95), to reach 95 kg of live weight, evaluated for Landrace (LD), Large White (LW), and Pietrain (PT) breeds, in a nucleus herd. Breeding values were predicted using mixed model methodology. Estimates of response were determined using Weighted Least Squares method. The estimates were favourable for three breeds and both sex. For ADG these […]
Keywords: average daily gain; genetic trend; number of days on test; off-test age