白三叶和鸭茅混合青贮饲喂对湖羊屠宰性能及肉品质的影响

doi:10.15933/j.cnki.1004-3268.2021.05.020

河南农业科学 ›› 2021, Vol. 50 ›› Issue (5): 142-148.DOI: 10.15933/j.cnki.1004-3268.2021.05.020

白三叶和鸭茅混合青贮饲喂对湖羊屠宰性能及肉品质的影响

郑明利¹，毛培春¹，邰建辉²，夏维泽³，彭伟东³，田小霞¹，周晓丽⁴，孟林¹

（1.北京市农林科学院北京草业与环境研究发展中心，北京 100097；2.北京百斯特草业有限公司，北京 100025；3.西安百绿景观设计有限责任公司，陕西西安 710000；4.北京助尔生物科学研究院，北京 100085）

收稿日期:2020-10-15 出版日期:2021-05-15 发布日期:2021-05-15
通讯作者: 孟林（1966-），男，内蒙古察右后旗人，研究员，主要从事草资源遗传育种及林草复合研究。E-mail：menglin9599@sina.com
作者简介:郑明利（1989-），男，湖北麻城人，助理研究员，博士，主要从事饲草加工与利用研究。E-mail:zhengml@cau.edu.cn。毛培春为同等贡献作者
基金资助:
“十三五”国家重点研发计划项目（2017YFD0502105）；陕西省重点研发计划项目（2017ZDXM-NY-080）；青海省重大科技专项（2018-NK-A2）

Effects of Feeding White Clover and Orchard Grass Mixed Silage on Slaughter Performance and Meat Quality of Hu Sheep

ZHENG Mingli¹,MAO Peichun¹,TAI Jianhui²,XIA Weize³,PENG Weidong³, TIAN Xiaoxia¹,ZHOU Xiaoli4 ,MENG Lin¹

(1.Beijing Research and Development Center for Grass and Environment,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097,China; 2.Beijing Best Grass Industry Co.,Ltd.,Beijing 100025,China;3.Xi’an BeeLoo Landscape Design Co.,Ltd.,Xi’an 710000,China; 4.Beijing Sure Academy of Biology Science,Beijing 100085,China)

Received:2020-10-15 Published:2021-05-15 Online:2021-05-15

摘要/Abstract

摘要： 为探究矮砧密植苹果园白三叶和鸭茅混播草地饲草混合青贮对湖羊屠宰性能及肉品质的影响，选取100只3月龄湖羊公羔随机等分为2组，对照组以全株玉米青贮为基础配制TMR日粮，试验组以白三叶和鸭茅混合青贮替代50%全株玉米青贮，试验期90 d。试验结束时，每组随机挑选10只接近平均体质量的湖羊屠宰，测定其屠宰性能和肉品质。结果表明，与对照组相比，试验组湖羊宰前活体质量、胴体质量、眼肌面积、胴体净肉率和肉骨比分别显著（P<0.05）提高了32.17%、46.37%、10.91%、4.33%和15.88%，肌肉剪切力、pH_{24 h}和亮度值分别显著（P<0.05）降低了19.31%、3.24%和13.99%，肌肉干物质、粗蛋白和粗脂肪含量分别提高了0.69%、4.64%和2.57%（P>0.05），氨基酸（蛋氨酸除外）和脂肪酸组成及含量无显著差异（P>0.05）。综上，以白三叶和鸭茅混合青贮替代50%全株玉米青贮饲喂湖羊可以改善屠宰性能及肉品质。

关键词: 白三叶；鸭茅；青贮；林-草-羊种养结合；湖羊, 屠宰性能；肉品质

Abstract: The purpose of this experiment was to study the effects of mixed silage of white clover and orchard grass on slaughter performance and meat quality of Hu sheep.One hundred three-month-old Hu sheep were randomly divided into two groups. In the control group,TMR diets were prepared based on whole plant corn silage.In the experimental group,50% whole plant corn silage was replaced with white clover and orchard grass mixed silage.The trial period was 90 d.At the end of the test,10 sheep of near average weight were selected for slaughter in each group,and their slaughter performance and meat quality were determined.The results showed that compared with the control group, the live weight, slaughter weight,loin eye area,carcass muscle rate,and meat-bone ratio of Hu sheep in the experimental group we increased(P<0.05) by 32.17%,46.37%,10.91%,4.33% and 15.88%,respectively.Shear force,pH24 h and L∗ of the experimental group decreased (P<0.05) by 19.31%,3.24% and 13.99%,respectively.Dry matter,crude protein,and crude fat contents of the experimental group increased by 0.69%,4.64% and 2.57%,but the differences were not significant(P>0.05).There was no significant difference(P>0.05) in the muscle amino acid(except for methionine) and fatty acid compositions and contents between the two groups.Therefore,the use of white clover and orchard grass mixed silage instead of 50% of the whole plant corn silage to feed Hu sheep can increase slaughter performance and meat quality.

Key words: White clover, Orchard grass, Silage, Forest-grass-sheep planting and breeding, Hu sheep, Slaughter performance, Meat quality

中图分类号:

S816.5

郑明利, 毛培春, 邰建辉, 夏维泽, 彭伟东, 田小霞, 周晓丽, 孟林. 白三叶和鸭茅混合青贮饲喂对湖羊屠宰性能及肉品质的影响[J]. 河南农业科学, 2021, 50(5): 142-148.

ZHENG Mingli, MAO Peichun, TAI Jianhui, XIA Weize, PENG Weidong, TIAN Xiaoxia, ZHOU Xiaoli, MENG Lin. Effects of Feeding White Clover and Orchard Grass Mixed Silage on Slaughter Performance and Meat Quality of Hu Sheep[J]. Journal of Henan Agricultural Sciences, 2021, 50(5): 142-148.

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白三叶和鸭茅混合青贮饲喂对湖羊屠宰性能及肉品质的影响

Effects of Feeding White Clover and Orchard Grass Mixed Silage on Slaughter Performance and Meat Quality of Hu Sheep

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