精饲料油菜籽水平对肉牛生产性能及肉品质的影响

张杰杰; 万发春; 宋恩亮; 赵红波; 刘晓牧; 孙国强

doi:10.3969/j.issn.1006-267x.2013.03.010

动物营养学报 >

2013 , Vol. 25 >Issue 3: 527 - 533

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.03.010

反刍动物营养 Ruminant Nutrition

精饲料油菜籽水平对肉牛生产性能及肉品质的影响

张杰杰 ,
万发春 ,
宋恩亮 ,
赵红波 ,
刘晓牧 ,
孙国强

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1. 青岛农业大学动物科技学院,青岛 266109;
2. 山东省畜禽疫病防治与繁育重点实验室,济南 250100;
3. 山东省农业科学院畜牧兽医研究所,济南 250100

收稿日期: 2012-09-26

网络出版日期: 2013-02-28

基金资助

现代农业(肉牛牦牛)产业技术体系建设专项(CARS-38);山东省农业重大应用技术创新项目"优质高档肉牛生产技术研究";国家星火计划(2011GA740002)

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Effects of Rapeseed Level in Concentrates on Performance and Meat Quality of Beef Cattle

ZHANG Jiejie ,
WAN Fachun ,
SONG Enliang ,
ZHAO Hongbo ,
LIU Xiaomu ,
SUN Guoqiang

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1. College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China;
2. Shandong Key Laboratory of Animal Disease Control and Breeding, Jinan 250100, China;
3. Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China

Received date: 2012-09-26

Online published: 2013-02-28

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摘要

本试验旨在探讨精饲料油菜籽水平对肉牛生产性能及肉品质的影响。选取40头体况良好、平均体重为(447.00±35.67) kg的西门塔尔杂交牛,随机分为4组,每组10头,分别饲喂4种不同油菜籽水平[0(对照组)、8.7%、17.6%和26.0%]的精饲料。预试期10 d,正试期90 d。结果表明:1)17.6%油菜籽组平均日增重最高,比对照组和26.0%油菜籽组分别高6.40%(P>0.05)和15.03%(P<0.05)。2)胴体重、屠宰率及净肉率均随油菜籽水平的增加呈先升高后降低的变化趋势,其中17.6%油菜籽组胴体重显著高于其他各组(P<0.05),对照组屠宰率和净肉率显著低于17.6%油菜籽组(P<0.05)。3)精饲料油菜籽水平对肉牛眼肌面积、大理石花纹、高档肉块重、肉骨比及肉质常规成分均无显著影响(P>0.05)。4)17.6%油菜籽组肉样剪切力最低,显著低于对照组(P<0.05),肉样嫩度最好。综合各项指标,精饲料油菜籽水平为17.6%时,能够显著提高肉牛生产性能和肉品质。

关键词： 油菜籽; 肉牛; 生产性能; 肉品质

本文引用格式

张杰杰 , 万发春 , 宋恩亮 , 赵红波 , 刘晓牧 , 孙国强 . 精饲料油菜籽水平对肉牛生产性能及肉品质的影响[J]. 动物营养学报, 2013 , 25(3) : 527 -533 . DOI: 10.3969/j.issn.1006-267x.2013.03.010

Abstract

This study was conducted to investigate the effects of rapeseed level in concentrates on performance and meat quality of beef cattle. A total of 40 healthy crossbred Simmental beef cattle with initial weigh of (447.00?35.67) kg were randomly divided into 4 groups with 10 heads in each group. beef cattle were fed concentrates containing 0, 8.7%, 17.6% and 26.0% rapeseed, respectively. The experiment lasted 100 days including a 10-day adaptation period and a 90-day formal period. The results showed as follows: 1) average daily gain (ADG) in 17.6% group was the highest, which was 6.40% (P>0.05) and 15.03% (P<0.05) and higher than that in control group and 26.0% group, respectively. 2) With the increase of rapeseed level in concentrates, carcass weight, dressing percentage and net meat percentage all tended to be increased firstly and then decreased, carcass weight in 17.6% group was significantly higher than that in the other groups (P<0.05), dressing percentage and net meat percentage in control group were significantly lower than those in 17.6% group (P<0.05). 4) Shear stress in 17.6% group was the lowest, and was significantly lower than that in control group (P<0.05). The tenderness was the most considerable. In conclusion, feeding 17.6% rapeseed in concentrate can improve performance and meat quality of beef cattle.

Key words： rapeseed; beef cattle; performance; meat quality

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