Causes of carcass condemnation a broiler slaughterhouse under federal inspection in the summer and winter seasons
DOI:
https://doi.org/10.5433/1679-0359.2024v44n2p639Keywords:
Arthritis, Repugnant appearance, Mortality, Economic losses.Abstract
Poultry farming is extremely important for the Brazilian economy, ranking first in broiler meat exports in the world, followed by the United States and the European Union. The high production and consumption were possible due to advances in genetic improvement associated with a balanced diet, management, and animal welfare, providing birds with higher carcass yield in a short space of time. High productivity has been achieved but health problems have arisen and been often detected during the slaughter process, leading to partial or total carcass condemnation and economic losses. This study aimed to investigate the relationship between the climate season (summer and winter) and the main causes of total or partial condemnation of broiler in a commercial slaughter line with the Federal Inspection and estimate the economic losses. Data from 10 broiler farms integrated to a slaughterhouse located in the north of Paraná were collected from 2018 to 2020. The data were grouped according to the climate season into summer (n = 1,485,630) and winter (n = 1,077,012). Partial condemnation represented 94.8% in the summer and 96.1% in the winter, while total condemnation was 5.2% for the summer and 3.9% for the winter. The main causes among partial condemnations were arthritis (33% for the summer and 28% for the winter), contusion (28% for the summer and 27.9% for the winter), myopathy (14.7% for the summer and 16% for the winter) and fracture (10.3% for the summer and 12.6% for the winter). Summer promoted higher losses (p<0.05) of partial condemnation due to airsacculitis, arthritis, contamination, and dermatosis than winter. The repugnant appearance was the main cause of total condemnations both in the summer (44.80%) and in the winter (70.97%), while arthritis was the second cause in the summer (41.34%) with no observations in the winter. Winter resulted in higher losses (p<0.05) of total condemnation due to ascites and poor bleeding than summer. Total bird mortality was 4.13% in the summer, significantly higher than in the winter, which reached 3.85%. A loss of R$ 146,000.00 was found for total carcass condemnations and R$ 1,155,779.00 for mortality considering both seasons. The need to find strategies to reduce the occurrence of condemnations stood out due to the high economic losses.
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