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The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs

Abattoir meat inspection has been proposed for the collection of welfare outcomes. The identification of suitable animal-based measures (ABM) is still a critical point that needs to be implemented to avoid collinearity among measures. The present study aims to benchmark the presence of ABM such as s...

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Autores principales: Vitali, Marika, Bosi, Paolo, Santacroce, Elena, Trevisi, Paolo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8136735/
https://www.ncbi.nlm.nih.gov/pubmed/34014995
http://dx.doi.org/10.1371/journal.pone.0251855
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author Vitali, Marika
Bosi, Paolo
Santacroce, Elena
Trevisi, Paolo
author_facet Vitali, Marika
Bosi, Paolo
Santacroce, Elena
Trevisi, Paolo
author_sort Vitali, Marika
collection PubMed
description Abattoir meat inspection has been proposed for the collection of welfare outcomes. The identification of suitable animal-based measures (ABM) is still a critical point that needs to be implemented to avoid collinearity among measures. The present study aims to benchmark the presence of ABM such as skin and tail lesions and ham defects in carcasses from 79 batches of Italian Heavy pigs and to identify possible relationships between the assessed ABM and pre-slaughter factors such as the season and the overnight lairage. Furthermore, the study also considers the effect of pre-slaughter conditions and ABM on carcass traits parameters (cold carcass weight and lean meat percentage). Skin and tail lesions were recorded at the slaughter line. The presence of abscesses, muscle tears and veining defects were assessed in the hams at trimming, according to the Parma Ham Consortium. A multivariate analysis was performed to identify relationships between ABM and pre-slaughter factor; therefore, a linear model was built to assess the effect on carcass weight and lean meat percentage. Main welfare issues were represented by skin and tail lesions and muscle tears (prevalence above 10%). Multivariate analysis evidenced that skin lesions and veining defects were mostly associated with the warm season. Abscesses and muscle tears in the hams were more likely related to overnight lairage, while tail lesions contributed equally to both season and lairage. Moreover, lairage related factors showed to affect lean meat percentage. The findings of the present study suggest that ham defects might be useful indicators of pre-slaughter stress. The validation of these findings with physiological parameters could be of interest for further studies.
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spelling pubmed-81367352021-06-02 The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs Vitali, Marika Bosi, Paolo Santacroce, Elena Trevisi, Paolo PLoS One Research Article Abattoir meat inspection has been proposed for the collection of welfare outcomes. The identification of suitable animal-based measures (ABM) is still a critical point that needs to be implemented to avoid collinearity among measures. The present study aims to benchmark the presence of ABM such as skin and tail lesions and ham defects in carcasses from 79 batches of Italian Heavy pigs and to identify possible relationships between the assessed ABM and pre-slaughter factors such as the season and the overnight lairage. Furthermore, the study also considers the effect of pre-slaughter conditions and ABM on carcass traits parameters (cold carcass weight and lean meat percentage). Skin and tail lesions were recorded at the slaughter line. The presence of abscesses, muscle tears and veining defects were assessed in the hams at trimming, according to the Parma Ham Consortium. A multivariate analysis was performed to identify relationships between ABM and pre-slaughter factor; therefore, a linear model was built to assess the effect on carcass weight and lean meat percentage. Main welfare issues were represented by skin and tail lesions and muscle tears (prevalence above 10%). Multivariate analysis evidenced that skin lesions and veining defects were mostly associated with the warm season. Abscesses and muscle tears in the hams were more likely related to overnight lairage, while tail lesions contributed equally to both season and lairage. Moreover, lairage related factors showed to affect lean meat percentage. The findings of the present study suggest that ham defects might be useful indicators of pre-slaughter stress. The validation of these findings with physiological parameters could be of interest for further studies. Public Library of Science 2021-05-20 /pmc/articles/PMC8136735/ /pubmed/34014995 http://dx.doi.org/10.1371/journal.pone.0251855 Text en © 2021 Vitali et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Vitali, Marika
Bosi, Paolo
Santacroce, Elena
Trevisi, Paolo
The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title_full The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title_fullStr The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title_full_unstemmed The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title_short The multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
title_sort multivariate approach identifies relationships between pre-slaughter factors, body lesions, ham defects and carcass traits in pigs
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8136735/
https://www.ncbi.nlm.nih.gov/pubmed/34014995
http://dx.doi.org/10.1371/journal.pone.0251855
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