辽育白牛胴体产肉量预测模型研究

doi:10.16431/j.cnki.1671-7236.2016.06.040

›› 2016, Vol. 43 ›› Issue (6): 1654-1658.doi: 10.16431/j.cnki.1671-7236.2016.06.040

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辽育白牛胴体产肉量预测模型研究

张丽君, 陆壮, 李静, 金双勇, 王春润, 蒋磊

辽宁省畜牧业经济管理站, 沈阳 110032

收稿日期:2015-10-16 出版日期:2016-06-20 发布日期:2016-07-11
通讯作者: 张丽君 E-mail:luzhuang0416@163.com
作者简介:张丽君(1964-),女,学士,高级畜牧师,主要从事动物遗传育种与生产研究
基金资助:
辽宁省科学技术计划项目(2015202001)

Predicted Regression Model for Beef Carcass Yield of Liaoyu White Cattle

ZHANG Li-jun, LU Zhuang, LI Jing, JIN Shuang-yong, WANG Chun-run, JIANG Lei

Animal Husbandry Economic Management Stations in Liaoning Province, Shenyang 110032, China

Received:2015-10-16 Online:2016-06-20 Published:2016-07-11

摘要/Abstract

摘要： 为了快速且准确的预测辽育白牛胴体产肉量,进而建立完善的胴体分级体系,本试验对60头辽育白牛进行屠宰胴体分割试验,分别测量了胴体重(X₁),第5肋侧厚度(X₂),第5~6肋眼肌宽高乘积(X₃),第5~6肋眼肌面积(X₄),第12肋侧厚度(X₅),第12~13肋眼肌宽高乘积(X₆),第12~13肋眼肌面积(X₇),肾脏油、心脏油和膈肌油之和(X₈),后腿围(X₉)和大腿肌肉厚(X₁₀)等与产肉量、产肉率相关的10项指标,利用SPSS 19.0软件对数据进行相关分析和线性回归分析。结果显示,X₁、X₈与产肉量和产肉率相关性最强,依此推导出2个可信度高、实践中方便应用的产肉量预测方程:①产肉量(眼肌宽高乘积)=0.809X₁+0.158X₆+0.857X₈-13.967 (R²=0.986);②产肉量(眼肌面积)=0.779X₁+0.318X₇+0.933X₈-17.779 (R²=0.990)。

关键词: 辽育白牛; 产肉量; 产肉率; 预测模型; 胴体分级

Abstract: To investigate the predicted regression model for beef carcass yield and percentage of Liaoyu White cattle,60 cattles were slaughtered and determined 10 indicators about beef carcass yield and percentage,including carcass weight (X₁),the 5th rib thickness (X₂),product of 5th to 6th rib eye width and height (X₃),5th to 6th rib eye area (X₄),the 12th rib thickness (X₅),product of 12th to 13th rib eye width and height (X₆),12th to 13th rib eye area (X₇),the weight of kidney,heart and diaphragm fat (X₈),hind leg circumference (X₉) and thigh muscle depth (X₁₀).Then correlation and regression analysis between 10 indicators and beef carcass yield and percentage were taken using SPSS 19.0.The results showed that the correlation were the highest between X₁ and beef carcass yield,X₈ and beef carcass yield percentage.Besides,there were two credible regression model for beef carcass yield of Liaoyu White cattle:① Beef carcass yield (product of 12th rib eye width and height)=0.809X₁+0.158X₆+0.857X₈-13.967 (R²=0.986);② Beef carcass yield (12th rib eye area)=0.779X₁+0.318X₇+0.933X₈-17.779 (R²=0.990).

Key words: Liaoyu White cattle; beef carcass yield; beef carcass yield percentage; predicted regression model; carcass classification

中图分类号:

S823

张丽君, 陆壮, 李静, 金双勇, 王春润, 蒋磊. 辽育白牛胴体产肉量预测模型研究[J]. , 2016, 43(6): 1654-1658.

ZHANG Li-jun, LU Zhuang, LI Jing, JIN Shuang-yong, WANG Chun-run, JIANG Lei. Predicted Regression Model for Beef Carcass Yield of Liaoyu White Cattle[J]. , 2016, 43(6): 1654-1658.

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辽育白牛胴体产肉量预测模型研究

Predicted Regression Model for Beef Carcass Yield of Liaoyu White Cattle

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