›› 2015, Vol. 42 ›› Issue (11): 2954-2960.doi: 10.16431/j.cnki.1671-7236.2015.11.020

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Comparative Study on Carcass Traits and Meat Quality of Different Month Old of Xinjiang Brown Cattle Steers

YAN Xiang-min, ZHANG Jin-shan, LI Hong-bo, LI Na, DU Wei, ZHOU Zhen-yong, ZHANG Yang   

  1. Institute of Animal Husbandry, Xinjiang Academy of Animal Husbandry, Urumqi 830000, China
  • Revised:2015-06-15 Online:2015-11-20 Published:2015-11-26

Abstract: In this research,12 heads of 28 to 30 months (low months age group) and 8 heads of 32 to 34 months (high months age group) Xinjiang Brown cattle steers which fed in the same mode of nutrition were chose for the slaughter test,in which the carcass traits,nutrient composition and some edible quality index were measured and comparative analyzed,a research which through comparative analysis the carcass traits and meat quality of nutritional components of different months of Xinjiang Brown cattle steers was carried out.The results indicated that the marbling,carcass grade,fat,meat color of high months age group were better than that of low months age group,the traits of the low months age group on fat color,moisture,protein,cooking loss and shear force value were better than that of high months age group,and there were significant difference on the traits of fat and meat color L* between the two groups (P<0.05),while the differences of other traits between them were not significant (P>0.05);As high-grade beef,in addition to the traits of meat color and pH value of the chunk roll,tenderloin and striploin,each site of the meat traits on the fat,protein,moisture,cooking loss,shear force value indicators were all better than other parts,and showed the best of nutritional value and edible quality.28 to 34 months of Xinjiang Brown cattle steers could produce high-grade beef,the meat could be used as the raw materials of steak and boiled beef.

Key words: Xinjiang Brown cattle; steers; carcass trait; meat quality

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