冬季不同舍饲密度对育肥羊屠宰性能及肉品质的影响

›› 2014, Vol. 41 ›› Issue (12): 152-156.

冬季不同舍饲密度对育肥羊屠宰性能及肉品质的影响

吴荷群¹, 付秀珍¹, 陈文武¹, 王磊², 崔蕾¹, 张子荣¹, 邓先德³

1. 新疆兵团六师五家渠市畜牧兽医工作站, 新疆五家渠 831300;
2. 新疆石河子大学动物科技学院, 新疆石河子 832000;
3. 农业部规划设计研究院, 北京 100125

收稿日期:2014-04-22 出版日期:2014-12-20 发布日期:2014-12-25
通讯作者: 邓先德 E-mail:dengxiande@126.com
作者简介:吴荷群(1981-),女,河南人,硕士,畜牧师,从事动物营养及畜牧业研究.
基金资助:
新疆生产建设兵团重大科技项目(2013AA003-2);第六师重大科技专项(Z1304).

Effect of Different Stocking Density on Slaughter Performance and Meat Quality of Fattening Sheep under Barn Feeding Conditions in Winter

WU He-qun¹, FU Xiu-zhen¹, CHEN Wen-wu¹, WANG Lei², CUI Lei¹, ZHANG Zi-rong¹, DENG Xian-de³

1. Animal Husbandry and Veterinary Station, The Six Division of Xinjiang Regiment, Wujiaqu 831300, China;
2. College of Animal Science and Technology, Shihezi University of Xinjiang, Shihezi 832000, China;
3. Planning Design and Research Institute of the Ministry of Agriculture, Beijing 100125, China

Received:2014-04-22 Online:2014-12-20 Published:2014-12-25

摘要/Abstract

摘要： 本试验旨在研究冬季不同舍饲密度对育肥羊屠宰性能及肉品质的影响.选用6月龄健康的阿勒泰大尾羊杂交1代断奶羔羊144只,随机分为4组,每组36只,试验1～4组每只羊占地面积分别为0.35、0.70、1.05和1.40 m².试验期45 d.结果表明,不同舍饲密度育肥羊的胴体重、屠宰率、净肉重、净肉率具有相同的变化规律,均表现为:试验1组<试验2组<试验3组<试验4组,其中,试验4组胴体重、屠宰率、净肉重、净肉率较试验1组分别显著提高20.65%、11.00%、30.40%和19.73%(P<0.05);4个试验组肉色都在3～4分之间,均属羊肉正常颜色;大理石纹均在1～1.1分之间,试验1组pH最低、剪切力最高,嫩度较差.综上所述,在本试验条件下,以低密度(1.40 m²/只)饲养的育肥羊在屠宰性能和肉品质方面表现较好,以高密度(0.35 m²/只)饲养的育肥羊产肉能力和肉品质较差.

关键词: 育肥羊; 饲养密度; 屠宰性能; 肉品质

Abstract: This experiment was conducted to study the effect of different stocking density on slaughter performance and meat quality of fattening sheep in winter.A total of 144 6-month-old Aletai fat tailed sheep F1 hybrid generation were randomly divided into 4 groups with 36 sheep in each group.Each sheep respectively covered an area of 0.35, 0.70, 1.05 and 1.40 m² of groups 1, 2, 3 and 4.The whole experiment period was 45 d.The results showed that carcass weight, dressing percentage, net meat weight and net meat percentage decreased from group 4 to group 1.Compared with group 1, the carcass weight, dressing percentage, net meat weight and net meat percentage of group 4 were significantly increased by 20.65%, 11.00%, 30.40% and 19.73% (P<0.05), respectively.The scores of meat color for all groups was 3 to 4 points.The marbling was 1 to 1.1 points, the pH was the lowest, the shear force was the highest, the tenderness was the worst for group 1.In conclusion, under the condition of this experiment, the low breeding density (1.40 m²) had the better slaughter performance and meat quality, the high breeding density (0.35 m²) had the reverse effect.

Key words: fattening sheep; stocking density; slaughter performance; meat quality

中图分类号:

S826

吴荷群, 付秀珍, 陈文武, 王磊, 崔蕾, 张子荣, 邓先德. 冬季不同舍饲密度对育肥羊屠宰性能及肉品质的影响[J]. , 2014, 41(12): 152-156.

WU He-qun, FU Xiu-zhen, CHEN Wen-wu, WANG Lei, CUI Lei, ZHANG Zi-rong, DENG Xian-de. Effect of Different Stocking Density on Slaughter Performance and Meat Quality of Fattening Sheep under Barn Feeding Conditions in Winter[J]. , 2014, 41(12): 152-156.

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