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portuguesAs condenacoes no abatedouro de frangos podem representar uma visao geral da saude das granjas e da eficacia dos programas de bem-estar, bem como revelar diferencas fenotipicas entre linhagens. O objetivo deste estudo foi investigar a prevalencia de condenacao entre quatro hibridos comerciais de frangos de corte e a oscilacao de condenacoes em diferentes epocas em um frigorifico de aves. Os dados das condenacoes do Servico Federal de Inspecao de um abatedouro foram analisados durante um ano, no qual foram observadas 12,81% de condenacoes parciais e 0,41% de condenacoes totais. Houve diferenca na condenacao total e parcial entre os hibridos avaliados, sendo o hibrido Hubbard o com maior numero de condenacoes (0,67% - 17,71%), seguido por Ross 95 (0,42% - 14,21%), Cobb (0,30%). - 10,03%); e Cobb Fast (0,26% - 9,29%). A analise entre as estacoes do ano demonstrou uma maior taxa de condenacao no inverno e menor taxa no outono para condenacao total e parcial. Hubbard apresentou as maiores taxas e Cobb Fast as mais baixas para a maioria das causas de condenacoes. Concluimos que a causa metabolica resultou em mais perdas por condenacao total, enquanto a contaminacao ou tecnopatias representaram as maiores taxas em perdas parciais. A linhagem de frango de corte e a epoca do ano podem influenciar nas causas de condenacao no abatedouro. Essas informacoes devem ser consideradas pela industria e pelas granjas no planejamento sanitario, considerando o impacto financeiro devido as perdas por condenacoes de carcacas EnglishCondemnations in the broilers abattoirs can represent an overview farms health and effectiveness of welfare programs, as well as predisposition between hybrids. The aim of this study was to investigate the prevalence of condemnation among four commercial broiler hybrids and the oscillation of condemnations in different seasons in a poultry abattoir. Data from condemnations of the Federal Inspection Service of a slaughterhouse were analyzed during one year, in which a total of 12.81% of partial condemnations were observed and total condemnations represented 0.41% of slaughtered broiler. There was a difference in total and partial condemnation among the hybrids evaluated, with Hubbard hybrid being the one with the highest number of condemnations (0.67% - 17.71%), followed by Ross 95 (0.42% - 14.21%), Cobb (0.30% - 10.03%); and Cobb Fast (0.26% - 9.29%). The analysis between the seasons showed a higher conviction rate in winter and a lower rate in autumn for both total and partial condemnation. Hubbard had the highest rates and Cobb Fast the lowest for most causes of condemnation. We concluded that the metabolic cause led to higher losses by total condemnation, while contamination or technopathies represented the highest rates in partial losses. The broiler hybrid and the time of year may influence the causes of condemnation in the abattoir. This information should be considered by the abattoir and the farms in sanitary planning, considering the financial impact due to losses by condemnations of carcasses

The effect of four commercial broiler hybrids and the season on occurrence of broiler condemnations in the abattoirs