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논문 기본 정보

자료유형
학술저널
저자정보
Zhang, Li (College of Food Science and Engineering, Gansu Agriculture University) Sun, Baozhong (Institute of Animal Science, Chinese Academy of Agricultural Sciences) Yu, Qunli (College of Food Science and Engineering, Gansu Agriculture University) Ji, Qiumei (Tibet Institute of Animal Husbandry) Xie, Peng (Institute of Animal Science, Chinese Academy of Agricultural Sciences) Li, Haipeng (Institute of Animal Science, Chinese Academy of Agricultural Sciences) Wang, Li (College of Food Science and Engineering, Gansu Agriculture University) Zhou, Yuchun (College of Food Science and Engineering, Gansu Agriculture University) Li, Yongpeng (College of Food Science and Engineering, Gansu Agriculture University) Huang, Caixia (Institute of Animal Science, Chinese Academy of Agricultural Sciences) Liu, Xuan (Institute of Animal Science, Chinese Academy of Agricultural Sciences)
저널정보
한국축산식품학회 한국축산식품학회지 한국축산식품학회지 제36권 제2호
발행연도
2016.1
수록면
223 - 229 (7page)

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The carcass size performances and the meat quality of Gannan and Sibu yak were determined using M. supraspinatus (SU), M. longissimus thoracis (LT) and M.quadriceps femoris (QF). It is found that Sibu yak had significantly higher carcass weight (CW) than Gannan yak with difference of nearly 40 kg, as well as significantly higher eye muscle area (EMA), carcass thorax depth (CTD), round perimeter (RP), etc. The carcass performances of steer yak were significantly higher than heifer yak except meat thickness at round (MTR) (p<0.05). The results show that both yak breed and gender had significant effects on carcass performances. It could be seen that the variation of carcass size performances from breeds is as large as from gender (50.22% and 46.25% of total variation, respectively) through principal component analysis (PCA). Sibu yak had significantly higher L*, b*, WBSF, cooking loss and Fat content, while Gannan yak had significantly higher a*, press loss, protein content and moisture (p<0.05). Yak gender and muscle had insignificant effects on meat colour and water holding capacity (p>0.05). The variation of meat quality of yak from breed is up to 59.46% of total variation according to PCA. It is shown that the difference between breeds, for Gannan yak and Sibu yak, plays an important role in carcass size performance and meat quality.

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