Study of growth and development and optimal age for slaughter hybrids of different broiler meat with a feasibility study.

Abstract

Experiment was carried out in the field of poultry of the Department of Animal Resources, Faculty of Agriculture / University of Tikrit, for the period from 06/10/2011 till 24/11/2011, compared to a study aimed at the productivity performance of the three most common hybrids specialized in the production of chicken meat and study the effect of age on differences in performance productive, since at the age of 32, 37, 42 and 47 days were select 12 birds from each treatment were randomly assigned to the purpose of slaughter, and took measurements of the carcass, the results showed the presence of more than significant (P <0.05) in body weight and increase weighing and feed consumption and feed conversion ratio, while there were not significant differences in the proportion of Alhlakat. As noted above hybrid Ross (imported) at the age of 37.42 and 47 days, followed by hybrid 308Ross which exceed the hybrid Hubbard,