The capacity of ante‐mortem inspection of pigs at the abattoir to predict post‐mortem findings and associated financial implications: A study at batch level

Dayane Lemos Teixeira, Laura C. Salazar, Laura A. Boyle

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Abstract

This study aimed to investigate the associations between severe ear, tail, and skin lesions, hernias, bursitis, and rectal prolapses and meat inspection finding in slaughter pigs, including carcass weight and financial implications associated with carcass condemnations at batch level. Data were collected from 13,296 pigs from 116 batches from a single abattoir. Spearman's correlation coefficients were calculated to analyze the degree of association between the prevalence of welfare issues and condemnation findings. The association between batch‐level results of carcass weight, batch size, and the prevalence of welfare issues was analyzed using generalized linear mixed models. The prevalence of tail lesions was significantly associated with both entire (r = 0.224; p = 0.0432) and partial (r = 0.276; p = 0.0120) carcass condemnation. Batches with pigs affected by more than one welfare issue were 9.9 kg lighter than those without welfare issues (p < 0.05), which was equivalent to a potential loss of €11.28 per pig. Our findings indicate that ante‐mortem inspection could be useful to predict post‐mortem findings at batch level and that welfare issues in pigs represent a financial loss to producers, as they are paid on a per kg basis and have tight margins.
Original languageEnglish
JournalAnimal Science Journal
Volume94
Issue number1
DOIs
Publication statusPublished - 29 May 2023

Keywords

  • Abattoirs
  • Animal Welfare
  • Animals
  • Meat
  • Prevalence
  • Swine
  • Tail
  • lesions
  • pigs
  • slaughter
  • veterinary
  • welfare

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