鲁西牛不同杂交组合生产性能比较分析

doi:10.16431/j.cnki.1671-7236.2019.12.026

摘要/Abstract

摘要： 试验旨在探索鲁西黄牛与不同优良肉牛品种的杂交效果，提高鲁西黄牛的生产性能。选取111头健康公牛分为4组：A组为29头利木赞牛×鲁西牛杂交牛（利鲁牛）；B组为26头西门塔尔牛×鲁西牛杂交牛（西鲁牛）；C组为27头和牛×鲁西牛杂交牛（和鲁牛）；D组为29头纯种鲁西牛。在相同饲养管理条件下进行育肥及屠宰试验，并对育肥效果进行综合分析。结果显示，利木赞牛、西门塔尔牛、和牛对鲁西牛均有较好的杂交改良效果；平均日增重以西鲁牛最高，极显著高于其他3组牛（P<0.01）；宰前活重、胴体重、屠宰率均以西鲁牛最高，显著高于其他3组牛（P<0.05）；和鲁牛大理石花纹沉积能力最强；日平均采食量和日平均饲料成本在各组间差异均不显著（P>0.05）。综合分析，从产肉量来讲，西鲁牛最佳；从大理石花纹沉积能力来讲，和鲁牛最佳。

关键词: 鲁西牛; 杂交组合; 育肥效果; 屠宰性能

Abstract: The aim of this study was to explore the crossbreeding effect of Luxi cattle,so as to promote genetic improvement of Luxi cattle in production performance.111 healthy steers were selected and divided into four groups:Group A included 29 first filial generation (F1) of Limousin cattle×Luxi cattle;Group B included 26 F1 of Simmental cattle×Luxi cattle;Group C included 27 F1 of Japanese Black cattle×Luxi cattle;Group D was the control group including 29 Luxi cattle.Fattening and slaughtering test was in the same feed farm and management condition,and the fattening effects were comprehensively analyzed.The results showed that Limousin cattle,Simmental cattle and Japanese Black cattle could carry out better crossbreeding improvement on Luxi cattle.The Daily weight gain of Simmental cattle×Luxi cattle was significantly higher than that of other groups (P<0.01),and the dressing percentage,carcass weight and slaughter rate of Simmental cattle×Luxi cattle were significantly higher than that of other 3 groups (P<0.05).The marbling score was the best in group C.There was no significant differences of daily mean intake and daily feed cost among four groups (P>0.05).In conclusion,Simmental cattle×Luxi cattle showed the stronger meat production,and Japanese Black cattle×Luxi cattle was the best in marbling.

Key words: Luxi cattle; hybrid combinations; fattening effect; slaughter performance

中图分类号:

Q823.8

史明艳, 任红艳, 范婷婷, 高雪. 鲁西牛不同杂交组合生产性能比较分析[J]. 中国畜牧兽医, 2019, 46(12): 3674-3679.

SHI Mingyan, REN Hongyan, FAN Tingting, GAO Xue. Comparative Analysis on Production Performance of Different Hybrid Combinations of Luxi Cattle[J]. China Animal Husbandry and Veterinary Medicine, 2019, 46(12): 3674-3679.

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