Principais causas de mortalidade em frangos de corte criados em sistema intensivo dark house

Abstract

Poultry is an important agricultural segment in Brazil, generating a large number of direct and indirect jobs, accounting for 1.5% ofthe GDP (gross domestic product), large number, which reve als the economic and social importance of the activity to the country. The State of Paraná is the large st national producer of chicken meat, mainly due the technicalization of the activity in the State. The purpose of this study was to quantify the main causes of mortality that affect the production system of broiler griller model facility "dark house". The evaluation was conducted in two batches of broilers, female sex, a total of 42,200 gourd shoused in a aviary of 1,200 m ², with brightness control system model exclusive "dark house" where all the dead broiler sduring there aring period were diagnosed the cause of death. Totaling a number of 695 broilers assessed. The causes of mortality of higher occurrence were: the metabolicorigin (44%), infectious origin (26%), scrap (10%), locomotive disorders (8%), death by starvation (6%), management (3%) and congenital defects or malformations (2%). By correlating the data with the performance of the lot was not observed significance, being these causes of death accepted as normal in the chronology of production, and the indicator% mortality did not change the final result of the lot.