肉用西门塔尔牛与和牛杂交群体的肉品质分析

doi:10.16431/j.cnki.1671-7236.2018.04.015

摘要/Abstract

摘要：

本研究旨在对肉用西门塔尔牛与杂交和牛两试验群体进行肉质性状比较，以期为肉品质性状遗传机制剖析及优质肉牛培育提供理论指导。收集肉用西门塔尔牛与杂交和牛两试验群体肉质性状表型数据，包括眼肌面积、剪切力、系水力、pH、肉色、脂肪颜色和大理石花纹等指标，进行相关性及差异性分析，从而综合评价两群体的肉品质。结果显示，两群体的脂肪颜色、系水力及剪切力呈现两两正相关；肉色与脂肪颜色、pH呈正相关，且肉色与pH呈显著相关（P < 0.05），而系水力与pH、肉色和大理石花纹呈负相关。在两试验群体间，和牛杂交群体的大理石花纹、眼肌面积、pH性状表现为极显著优于肉用西门塔尔牛（P < 0.01）。从性别比较来看，肉用西门塔尔牛母牛在大理石花纹、pH、剪切力等性状上极显著或显著优于公牛（P < 0.01；P < 0.05）；而和牛杂交群体母牛的肉色和剪切力性状表现为显著或极显著高于公牛（P < 0.05；P < 0.01）。总体而言，和牛杂交群体的肉质性能优于肉用西门塔尔牛；群体内比较表明，肉用西门塔尔牛群体母牛肉质性能优于公牛，而和牛杂交群体母牛肉质性能低于公牛。

关键词: 肉用西门塔尔牛; 和牛杂交群体; 肉质性状

Abstract:

The experiment was aimed to analyze the difference of meat quality traits between Simmental beef cattle and Wagyu hybrid population,and provide theoretical instructions of biological mechanisms of meat traits and beef cattle breeding process.Phenotypic data on meat quality traits of Simmental beef cattle and Wagyu hybrid population were collected,including eye muscle area,muscle shear force,water-holding capacity,pH,meat color,fat color and marbling score,the correlation analysis and comparison analysis between these two breeds were conducted.The results showed that fat color,water-holding capacity and muscle shear force existed highly correlation among each other,as well as meat color with fat color and pH,there was significant correlation between meat color and pH (P < 0.05).By contract,water-holding capacity showed a negative correlation with pH,meat color and marbling score.We conducted comparisons in traits between two populations,and found that marbling score,eye muscle area,and pH value of Wagyu hybrid cattle was extremely significant higher than those of Simmental beef cattle (P < 0.01).In terms of gender,the marbling score,pH and muscle shear force of Simmental beef cow was extremely significantly or significantly higher than those of Simmental beef cattle (P < 0.01;P < 0.05),the meat quality and muscle shear force of Wagyu hybrid cow was significantly or extremely significantly higher than those of Wagyu hybrid cattle (P < 0.05;P < 0.01).As a conclusion,Wagyu hybrid cattle performed better than Simmental beef cattle in meat quality traits.This study gives instruction of exploration of meat quality traits,and references of beef cattle breeding.The meat quality of Simmental beef cow was better than that of Simmental beef cattle,and the meat quality of Wagyu hybrid cow was worse than that of Wagyu hybrid cattle.

Key words: Simmental beef cattle; Wagyu hybrid cattle; meat quality

中图分类号:

S823.9⁺2

史新平, 陈燕, 徐玲, 金生云, 宝金山, 牛红, 王泽昭, 李俊雅, 孙少华. 肉用西门塔尔牛与和牛杂交群体的肉品质分析[J]. 《中国畜牧兽医》, 2018, 45(4): 953-960.

SHI Xinping, CHEN Yan, XU Ling, JIN Shengyun, BAO Jinshan, NIU Hong, WANG Zezhao, LI Junya, SUN Shaohua. Analysis of Beef Simmental and Wagyu Hybrid Cattle on Meat Quality[J]. , 2018, 45(4): 953-960.

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