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首页> 外文期刊>Tropical Animal Health and Production >Tissue composition and allometric growth of carcass of lambs Santa Ines and crossbreed with breed Dorper
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Tissue composition and allometric growth of carcass of lambs Santa Ines and crossbreed with breed Dorper

机译：羊羔圣诞老人伊斯群岛胴体组织成分和胴体的同种异体生长和品种Dorper的杂交

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摘要

This study aimed to assess the tissue composition and allometric growth of carcasses of Santa Ines and crossbred Dorper x Santa Ines lambs confined for different periods at three body weight classes. Sixty-four lambs from Santa Ines (SI) and crossbred Dorper x Santa Ines (DSI) were slaughtered. The carcasses were refrigerated at 4 degrees C for 24 h, and half of the right side carcass was divided into five primary cuts, which were then dissected into bone, muscle, and fat. The corrected cold carcass weight (CCWc) was calculated based on the sum of the cuts. There was no effect of the interactions evaluated (P > 0.05) among the factors tested. CCWc, muscle (kg), fat (kg), bone (%), M:F, M:B, F:B, and M+F:B were influenced by the lambs' genetic group (P 0.05). An effect of body weight at the beginning of confinement was found only for CCWc, muscle (kg), fat (kg), bone (kg), bone (%), and M:F. The crossbreeding of Santa Ines with breeds Dorper promotes improvements in the qualitative characteristics of the carcass. To obtain better relationships of the quantitative characteristics of the carcass, of sheep introduced in confinements with larger weights, the slaughter weight must be adjusted to that initial weight.
机译：本研究旨在评估Santa Ines和杂交的组织成分和型胴体的同种异体生长，并在三个体重等级局限于不同的时期被限制在不同时期。屠宰了Santa Ines（Si）和杂交Dorper X Santa Ines（DSI）的六十四只羊羔。将胎体在4摄氏度下冷冻24小时，并将右侧胎体的一半分为五个初级切口，然后将其留到骨，肌肉和脂肪中。基于切割的总和计算校正的冷胴体重量（CCWC）。在测试的因素中没有评估的相互作用（p> 0.05）没有作用。 CCWC，肌肉（kg），脂肪（kg），骨（％），m：f，m：b，f：b和m + f：b受到羔羊遗传学基团的影响（p <0.05）。仅针对CCWC，肌肉（kg），脂肪（kg），骨（kg），骨（％）和m：f发现体重在禁闭开始时的体重效果。 Santa Ines与品种Dorper的杂交促进了胴体定性特征的改善。为了获得更好的关系与胴体的定量特性的关系，绵羊在较大的重量上引入的绵羊，必须调节屠宰重量以这种初始重量。

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