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Bioelectrical impedance analysis for estimating marbling score of live beef cattle in Japan

机译:生物电阻抗分析,用于估算日本活牛的大理石花纹得分

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To establish an estimation method of beef marbling score for beef production management, we have investigated correlations among bioelectrical impedance properties in the sirloin part, the content of crude fat in the ribulose part, and the beef marbling standard (BMS) number. The measurement was conducted with 28 Japanese Black Beef Cattle before one-month slaughter treatment. We adopted the four-electrode method robustly to measure the bioelectrical impedance properties. The needle electrodes inserted into the four points: 100, 125, 225, 250[mm] in a line from the last lumbar vertebra. The extracellular resistance Rex, the intracellular resistance Rin, and the cellular membrane capacitance Cm calculated using the measured data. As the result, the correlations observed between Rin, the BMS number (r = 0.61,RSME = ±20.6, P <; 0.01) and between Rin, the content of crude fat (r = 0.71,RSME = ±19.32, P <; 0.01). The results revealed that the bioelectrical impedance analysis has potential impact to estimate the BMS number, which would be helpful for beef production management industries.
机译:为了建立用于牛肉生产管理的牛肉大理石花纹评分的估计方法,我们研究了牛lo里脊部分的生物电阻抗特性,核糖部分中粗脂肪含量和牛肉大理石花纹标准(BMS)值之间的相关性。在进行一个月的屠宰处理之前,使用28头日本黑牛牛进行了测量。我们稳健地采用四电极方法来测量生物电阻抗特性。针状电极从最后一个腰椎成一直线插入四个点:100、125、225、250 [mm]。使用测量数据计算出细胞外电阻Rex,细胞内电阻Rin和细胞膜电容Cm。结果,观察到Rin与BMS值之间的相关性(r = 0.61,RSME =±20.6,P <; 0.01)和Rin与粗脂肪含量之间的相关性(r = 0.71,RSME =±19.32,P <; P <0.01。 0.01)。结果表明,生物电阻抗分析可能会对估计BMS数量产生潜在影响,这将对牛肉生产管理行业有所帮助。

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