[en] Twenty Beni-Guil-PGI female lambs were used to study the effects of rearing season on meat quality characteristics, fatty acids profile, and lipid content. *e animals were reared according to the pastoral-transhumant system in the eastern region of Morocco. *e treatments consisted of 10 female lambs reared in summer-autumn (SA) and slaughtered at winter season and 10
female lambs reared in winter-spring (WS) and slaughtered at spring season. After the slaughter, the longissimus lumborum was collected for each animal for meat quality analysis. Compared to lambs reared in SA, the meat from the WS group showed higher (p < 0.01) pH, chroma, and lightness values (5.79 vs. 5.72, 23.97 vs. 18.46, and 47.03 vs. 41.04, respectively). On the other hand, the meat from WS presented higher (p < 0.05) intramuscular fat content (5.14 % vs. 3.82%, respectively). However, the intramuscular fat of the lambs reared in SA was characterized by greater (p < 0.01) PUFA percentage (16.82% vs. 12.40%, respectively),
thrombogenic (p < 0.001) and atherogenic index (p < 0.001), and PUFA/SFA ratio (p < 0.01; 0.42 vs. 0.25, respectively). Nevertheless, those reared in WS season have a higher (p < 0.001) PUFA n − 3 (2.58% vs. 1.14%, respectively) content, and therefore favorable (p < 0.001) n − 6/n − 3 ratio (3.78 vs. 12.98, respectively).
Disciplines :
Chimie Sciences des denrées alimentaires
Auteur, co-auteur :
Belhal, Kamal
Mansouri, Farid
Sindic, Marianne ; Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Fauconnier, Marie-Laure ; Université de Liège - ULiège > Département GxABT > Chimie des agro-biosystèmes
Boukharta, Mohammed
Serghini Caid, Hana
Elamrani, Ahmed
Langue du document :
Anglais
Titre :
Effect of Rearing Season on Meat and Intramuscular Fat Quality of Beni-Guil Sheep
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