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首页> 外文期刊>Tropical Animal Health and Production >Effects of different finishing systems on carcass traits, fatty acid composition, and beef quality characteristics of young Eastern Anatolian Red bulls
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Effects of different finishing systems on carcass traits, fatty acid composition, and beef quality characteristics of young Eastern Anatolian Red bulls

机译：不同处理系统对东部安那托利亚红公牛car体性状，脂肪酸组成和牛肉品质特性的影响

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摘要

The effects of three finishing systems on carcass composition and other characteristics of meat were studied in 15 young Eastern Anatolian Red bulls in Eastern Turkey. For 93 days, five bulls grazed pasture (P), five grazed the same pasture and were given concentrate supplementation (P + C), and five grazed the same pasture for 93 days, and then for an additional 40 days, they received concentrate in a barn (PF). Carcasses of the P bulls were lighter and leaner than those of the PF animals. Compared with the P carcasses, PF carcasses had a greater percentage of kidney, pelvic, and heart fat (P < 0.05), marbling score (P < 0.05), fat thickness over the longissimus dorsi (LD) muscle (P < 0.05), and percentage of ether extractable lipids (P < 0.05). The LD of P carcasses was darker (P < 0.01) in color and the meat was tougher. The ratio of polyunsaturated to saturated fatty acids in LD intramuscular fat was higher (P < 0.05) for P bulls than for P + C and PF. P carcasses contained a lower (P < 0.05) proportion of saturated fatty acids than PF carcasses. It is concluded that pasture-based finishing results in a more favorable fatty acid profile of meat and produces a healthier food, but the meat is darker and tougher.
机译：在土耳其东部的15头东部安纳托利亚红公牛中研究了三种育肥系统对car体组成和其他特性的影响。 93天中，五头公牛吃草（P），五头公牛吃草相同的牧场，并给予浓缩饲料（P + C），五头公牛吃草同一牧场93天，然后再过40天，他们在谷仓（PF）。 P公牛的cas体比PF动物的cas体轻和瘦。与P屠体相比，PF屠体的肾脏，骨盆和心脏脂肪百分比更高（P <0.05），大理石花纹得分（P <0.05），背最长肌（LD）肌肉的脂肪厚度（P <0.05），醚可提取脂质的百分比（P <0.05）。 P尸体的LD较深（P <0.01），肉也较硬。与P + C和PF相比，P公牛的LD肌肉内脂肪中多不饱和脂肪酸与饱和脂肪酸的比率更高（P <0.05）。 P屠体的饱和脂肪酸比例低于PF屠体（P <0.05）。可以得出结论，基于牧场的整理可以使肉类具有更好的脂肪酸分布并生产出更健康的食品，但肉类则更黑且更坚韧。

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