Factores que inciden sobre la frecuencia de defectos físicos causantes de decomisos parciales en canales bovinas de distinto origen y clase sexual y sus implicaciones económicas

A total of 654 beef carcasses were randomly selected for inspection in a Venezuelan slaughterhouse for determining the influence of country of origin (COO) and sex class on the frequency of physical defects in anatomical regions, its economic impact and correlation between variables of interest. Cow carcasses were the most frequently contaminated with Undesirable Matter (UM) in the chuck, and as well as bulls, they were frequently affected by bruises in the rounds. Brazilian bulls resulted with higher occurrence of abscesses, mostly located in the neck. Venezuelan cattle despite having shorter transport times had a higher frequency of traumatisms and UM presence. COO and sex class were associated (p<0.05) with different defects according to the anatomical region. A total of 360.9 kg of seized meat represented a loss of US$ 2,627.91; the largest quantity (142.6 kg) occurred in Brazilian carcasses, for a loss of US$ 1,038.35. Abscesses (136.6 kg) were responsible for the greatest loss of meat and, in consequence, of money. It is concluded that cow carcasses are expected to be the most affected by defects while carcasses of Venezuelan origin, despite having a higher frequency of defects, its economic impact is relatively lower.En un rastro venezolano se seleccionaron aleatoriamente 654 canales bovinas para determinar la influencia de país de origen (PDO) y clase sexual en la frecuencia de defectos físicos por regiones anatómicas, y su impacto económico, así como la correlación entre variables de interés. Las canales de vacas resultaron las más contaminadas con materia indeseable (MI) en paletas e igual que toros, presentaron frecuentes traumatismos en piernas. Toros brasileños presentaron mayor frecuencia de abscesos, principalmente en cuello. Canales de ganado venezolano, aun con menor tiempo de transporte, tuvieron mayor frecuencia de traumatismos y presencia de MI. PDO y clase sexual, se asociaron (p