饲草型全混合日粮对羔羊肉品质的影响

doi:10.11733/j.issn.1007-0435.2012.02.030

›› 2012, Vol. 20 ›› Issue (2): 378-382.DOI: 10.11733/j.issn.1007-0435.2012.02.030

饲草型全混合日粮对羔羊肉品质的影响

刘庭玉^1,2, 贾玉山¹, 格根图¹, 刘燕¹

1. 内蒙古农业大学生态环境学院, 内蒙古呼和浩特 010018;
2. 内蒙古民族大学农学院, 内蒙古通辽 028000

收稿日期:2012-01-25 修回日期:2012-03-15 出版日期:2012-04-15 发布日期:2012-07-05
通讯作者: 贾玉山,E-mail:jys_nm@sina.com
作者简介:刘庭玉(1978- ),男,山东临沂人,硕士,讲师,主要从事饲草料加工与贮藏研究,E-mail:lty_nmd@sina.com

Effects of Forage-type Total Mixed Ration on Lamb Meat Quality

LIU Ting-yu^1,2, JIA Yu-shan¹, LIU Yan¹

1. College of Ecology and Environment Science, Inner Mongolia Agriculture University, Huhhot, Inner Mongolia 010030, China;
2. College of Agriculture, Inner Mongolia University for Nationalities, Tongliao, Inner Mongolia 028000, China

Received:2012-01-25 Revised:2012-03-15 Online:2012-04-15 Published:2012-07-05

摘要/Abstract

摘要： 为探讨不同配方饲粮饲喂羔羊时对其肉质的影响,选用巴彦淖尔市较为丰富的紫花苜蓿(Medicago sativa)、小麦(Triticum aestivum)秸秆、玉米(Zea mays)秸秆和番茄(Lycopersicon esculentum)渣等饲草资源,结合饲草GI分级指数和饲草组合效应理论,配制出羔羊育肥专用饲草型全混合日粮(TMR),通过人工模拟瘤胃法筛选出消化率较高的2种。以传统日粮(优质青干草+精料型)为对照,通过饲喂巴寒F₁羔羊对2种全混日粮影响羔羊屠宰性能和肉质情况进行分析。结果表明:饲喂TMR1和TMR2组日粮均改善了羔羊的屠宰性能,各项屠宰指标显著优于饲喂CK组日粮羔羊(P<0.05);饲喂TMR2的羔羊比CK组沉积了更多的粗脂肪,失水率较低(P<0.05);饲喂TMR1的羔羊其肉质中沉积了更为丰富的必需氨基酸(43.84％)和肉味氨基酸(44.68％);与饲喂CK组相比,TMR1组和TMR2组羔羊肉质具有更好的营养价值,更为鲜嫩多汁。

关键词: 全混合日粮, 羔羊, 肉品质

Abstract: Variable diet formulas to enhance lamb meat quality using abundant forage grass resources (such as alfalfa, wheat straw, corn straw and tomato residue) from Bayinnaoer city of Inner Mongolia were investigated. The complex formulae compounded typical forage-type total mixed ration (TMR) for fattening lambs using forage-grade index and forage-combination effect theories. Two easily digested TMRs were selected by artificial rumen digestions. Results showed that slaughter values of lambs fed by these two TMRs were improved and slaughter indices were significantly higher than that from fattening lambs fed by traditional diets (P<0.05). Results also showed slaughter indices of lambs fed by TMR2 were higher than by TMR1. Lambs fed by TMR2 had higher fat deposition and lower water loss rate while those fed by TMR1 had more essential amino acids and meat- flavor amino acid deposition in meat compared to control (P<0.05). Both TMRs could improve lamb meat nutritive values with more tender and juicy commercial flavor.

Key words: Total mixed ration, Lambs, Meat quality

中图分类号:

刘庭玉, 贾玉山, 格根图, 刘燕. 饲草型全混合日粮对羔羊肉品质的影响[J]. , 2012, 20(2): 378-382.

LIU Ting-yu, JIA Yu-shan, LIU Yan. Effects of Forage-type Total Mixed Ration on Lamb Meat Quality[J]. , 2012, 20(2): 378-382.

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饲草型全混合日粮对羔羊肉品质的影响

Effects of Forage-type Total Mixed Ration on Lamb Meat Quality

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