期刊
MEAT SCIENCE
卷 171, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2020.108268
关键词
Korean cattle beef; Computer image analysis; Marbling traits; Quality grade; Auction price
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2017R1A2B4003207]
- National Research Foundation of Korea [2017R1A2B4003207] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The study found that several marbling texture traits are related to beef auction price (AP), but marbling score (MS) and quality grade (QG) are more strongly associated with AP.
Marbling score (MS) is related to beef auction price (AP) in Korea, but how these relate to marbling texture (i.e. number and distribution of marbling particles [MPs]) is not known. We examined relationships among carcass traits, carcass AP, and image analysis marbling texture traits. In experiment 1, carcass data and longissimus thoracis (LT) were obtained from Korean cattle steers reared under similar feeding conditions. MS, quality grade (QG), and AP were related (P < 0.001) to numbers of coarse MPs and fine MPs and fineness index. In experiment 2, LT images photographed at a slaughterhouse were used in regression analysis within individual QG classes (QGs: 1 [middle], 1 +, and 1 + + [best]). AP was related (P < 0.001) to numbers of coarse MPs and fine MPs and fineness index in both QGs 1 + and 1 + + but not in QG 1. Overall, several marbling texture traits were related to AP, but both MS and QG were more strongly related to AP.
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