胸最長筋周辺の枝肉横断面から抽出した画像解析情報によるホルスタイン種去勢牛の枝肉構成の予測

DOI Web Site 被引用文献3件 参考文献10件

書誌事項

タイトル別名
  • Estimation of Beef Carcass Composition from the Cross Section around the Longissimus Muscle Area in Holstein Steers by Computer Image Analysis
  • キョウサイチョウキン シュウヘン ノ エダニク オウダンメン カラ チュウシュ

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抄録

Carcasses of 31 fattening Holstein steers with wide range of slaughter age and weight were used in this study to obtain estimation equations for carcass composition using the information extracted from the carcass cross section by Computer Image Analysis (CIA). The actual data of lean meat, fat and bone were obtained from the left side of the carcass by physical dissection method. The analysis of the pictures of the cross section between the 7th and 8th ribs were conducted by using the Image Processing System (IPEX) on the Fujitsu Integrated Visual Information System (FIVIS). The information extracted was as follows: area of cross section total, lean, fat, and bone; individual muscle area, circumference length, long and short axis lengths, eccentricity, and direction of long axis; and distances between any two muscle centers of gravity. The correlations between the carcass composition and the CIA information were high, indicating that there is a high level of biological relationship between the information on the surface of the cross section and the carcass composition. Coefficients of determination (R2) adjusted for the degrees of freedom from the regression equations were 0.764, 0.900 and 0.673 for kilograms of lean, fat and bone, where as for the percentages of lean, fat and bone were 0.815, 0.857 and 0.882, respectively.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 66 (4), 323-329, 1995

    公益社団法人 日本畜産学会

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