中国畜牧兽医

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寒泊羊和小尾寒羊的肌肉组织学性状及理化性状比较研究

赵艳姣1,孙海云1,崔亚利1,常庆玲2,敦伟涛3,孙洪新3,陈晓勇3,田树军2   

  1.  (1.河北农业大学动物医学院,河北保定  071000 2. 河北农业大学动物科技学院,河北保定  0710003.河北省畜牧兽医研究所,河北保定  071001)

  • 收稿日期:2013-09-27 出版日期:2014-05-20 发布日期:2014-06-25
  • 通讯作者: 崔亚利(1970—),女,副教授,博士。E-mail:cuiyalidk@hebau.edu.cn
  • 作者简介:赵艳姣(1987—),女,河北人,硕士生,研究方向:动物机能形态学。
  • 基金资助:

    河北省科技成果转化资金项目(11220139D);国家科技支撑计划(2011BAD19B02)。

Comparative Study on the Histological Traits and Physicochemical Properties of Muscles in Small-tail Han Sheep and Crossbred Hanper Sheep

ZHAO Yan-jiao1, SUN Hai-yun1, CUI Ya-li1,CHANG Qing-ling2,DUN Wei-tao3,SUN Hong-xin3,CHEN Xiao-yong3,TIAN Shu-jun2   

  1. (1. College of Veterinary medicine, Hebei Agricultural University, Baoding 071000, China;2. College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China3. Research Institute of Animal Husbandry and Veterinary of Hebei Province, Baoding 071001, China)

  • Received:2013-09-27 Online:2014-05-20 Published:2014-06-25

摘要: 本研究以育肥的小尾寒羊和寒泊羊的羔羊为试验动物,采集背最长肌、臂三头肌、股二头肌和臀中肌样品,测定了肌纤维横截面积、直径、粗脂肪含量和氨基酸种类及含量。结果表明,寒泊羊背最长肌肌纤维直径和横截面积均小于小尾寒羊(P<0.01),股二头肌肌纤维直径和横截面积大于小尾寒羊 (P<0.05)。寒泊羊背最长肌和股二头肌粗脂肪含量高于小尾寒羊(P<0.01,P<0.05),臂三头肌和臀中肌粗脂肪含量略高于小尾寒羊(P>0.05)。小尾寒羊肉中牛磺酸含量高于寒泊羊(P<0.01),其余17种氨基酸含量两品种羊肉间差异不显著(P>0.05)。与肉鲜味有关的5种氨基酸,寒泊羊肌肉的含量高于小尾寒羊。除赖氨酸和色氨酸外,其余6种人体必需氨基酸寒泊羊肌肉的含量高于小尾寒羊。

关键词:

羔羊肉; 肌纤维; 氨基酸; 肌内脂肪

Abstract: Well-fed Small-tail Han sheep and crossbred Hanper sheep were selected respectively, and the longissimus dorsi, gluteus medius, biceps femoris, triceps brachii muscle samples were collected. We detected the myofiber cross-sectional areas, diameters, crude fat content and the amino acids composition in muscles. The results showed that the diameter and cross-sectional area of longissimus dorsi in Hanper sheep were significant less than that in Small-tail Han sheep (P<0.01). The diameter and cross-sectional area of biceps femoris in Hanper sheep were greater than that in Small-tail Han sheep (P<0.05).Crude fat contents of longissimus dorsi and biceps femoris in Hanper sheep were higher than that in Small-tail Han sheep (P<0.01, P<0.05). There was no difference in crude fat contents of triceps brachii and gluteus medius between the 2 species (P>0.05). Taurine content in Small-tail Han sheep was greater than that in Hanper sheep (P<0.01). The other 17 kinds of amino acids between the 2 species were not difference (P>0.05). Five kinds of flavor amino acids contents in Hanper sheep were greater than that in Small-tail Han sheep. The six kinds of essential amino acids contents except lysine and tryptophan in Hanper sheep were higher than that in Small-tail Han sheep.

Key words:

lamb; muscle fiber; amino acid; intramuscular fat