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Does transport stress have any effect on carcass quality of Nellore cattle (Bos taurus indicus) in Brazil? - A case study.
da Silva Rodrigues Mendes, Nathalia; Rodrigues Silva, Renato; Ferreira de Oliveira, Tatianne; Ellies-Oury, Marie-Pierre; Hocquette, Jean-François; Chriki, Sghaier.
Afiliación
  • da Silva Rodrigues Mendes N; Department of Food Science and Technology, School of Agronomy, Federal University of Goiás-UFG, Campus Samambaia, CEP 74690-900, Goiânia, Brazil.
  • Rodrigues Silva R; Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Université Clermont Auvergne, VetAgro Sup, UMR Herbivores, UMR1213, Recherches sur les Herbivores, Theix, 63122 Saint-Genès Champanelle, France.
  • Ferreira de Oliveira T; Department of Institute of Mathematics and Statistics, Federal University of Goiás, Goiânia, Brazil.
  • Ellies-Oury MP; Department of Food Science and Technology, School of Agronomy, Federal University of Goiás-UFG, Campus Samambaia, CEP 74690-900, Goiânia, Brazil.
  • Hocquette JF; Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Université Clermont Auvergne, VetAgro Sup, UMR Herbivores, UMR1213, Recherches sur les Herbivores, Theix, 63122 Saint-Genès Champanelle, France.
  • Chriki S; Department of Feed and Food, Bordeaux Sciences Agro, CS 40201, 33175 Gradignan, France.
Transl Anim Sci ; 8: txad134, 2024.
Article en En | MEDLINE | ID: mdl-38737522
ABSTRACT
With the increasing concomitant demands for Brazilian beef and in particular high-quality beef, there is a need for observational studies of the effects of pre- and post-slaughter practices on beef carcass traits. We hypothesized in our case study that pre-slaughter transport of bovines over significant distances would induce stress in animals, and that this would reduce carcass quality because of higher pH resulting from long-distance transportation. To test this hypothesis, 30,230 Nellore carcasses from a private slaughterhouse were evaluated 24 h postmortem. Analysis showed correlations between animal maturity, ultimate pH, distance, and carcass weight. More precisely, there was a slight positive correlation between ultimate pH and weight (but not with transportation distance) and a slight positive correlation between maturity and weight. A linear regression model (R2 = 0.016) failed to show distance having a significant effect on ultimate pH (P = 0.63), while carcass weight significantly affected ultimate pH (P < 0.001) with a low coefficient of 0.0003. Maturity negatively affected ultimate pH also (P < 0.001) but with also a small effect (-0.0008). Results (from 95% confidence intervals of variance of the random effects and of the random errors) showed that the variability within farms was higher than between farms. The linear mixed model showed that maturity had a significant effect on carcass weight value (P < 0.001) with a large coefficient of 2.90. The R2 of the linear mixed model was 46.03%. In conclusion, while weight and maturity both affect ultimate pH, long distances did not significantly impact ultimate pH and therefore the beef quality from Nellore cattle. This could be because of low stress during transport, as well as the physical characteristics of the Nellore breed that favor greater resistance to tropical climatic conditions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE País/Región como asunto: America do sul / Brasil Idioma: En Revista: Transl Anim Sci Año: 2024 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE País/Región como asunto: America do sul / Brasil Idioma: En Revista: Transl Anim Sci Año: 2024 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido