Avaliação do desempenho e rendimento de carcaça de quatro linhagens de frangos de corte criadas em Goiás

摘要: An experiment was carried out in the Abatedouro Sao Salvador, Goias, Brazil, order to evaluate performance and carcass characteristics of four different broiler strains. The Ross, Cobb, Avian Farms Arbor Acres chickens were measured until 41, 44 48 days age parameters at 41 age. Broilers allotted an randomized block design a 4x2 factorial scheme (strains x sex) with replicates 63 birds each. It observed better productive heavier body weight for male broilers than females, although no effect sex occurred yield. Ross showed higher cumulative gain age, but this not other phases tested. There differences commercial parts yield between