肉牛初生重与后期增重效果的关系研究
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S823.92

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国家肉牛牦牛产业技术体系(CARS-37);吉林省重点科技研发项目(20180201039NY);吉林省科技攻关计划(20160204006NY);吉林省科技攻关“双十项目”(20140201004NY)


Studies on the Relationship between Birth Weight and Liveweight Gain of Beef Cattle in Late Period
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    摘要:

    为研究初生重对肉牛后期生长和高档肉品生产的影响,选择10头西门塔尔牛初生母犊牛,根据体重分为试验组Ⅰ(低体重组)和试验组Ⅱ(高体重组),组间差异极显著(P<0.01),体长和胸围指标试验组Ⅰ小于试验组Ⅱ,差异显著(P<0.05)。在相同饲养条件下饲养,测定了6月龄、12月龄和18月龄体重和体尺等指标。结果表明:除试验组Ⅰ6月龄体长显著低于试验组Ⅱ(P<0.05)和18月龄眼肌面积显著大于试验组Ⅱ(P<0.05)外,其它指标两试验组间未见显著差异(P>0.05)。

    Abstract:

    The aim of this research was to study the relationship between birth weight and growth performance, high grade meat production in late period of beef cattle. In this experiment, 10 newborn calves were divided into low bodyweight group(G Ⅰ) and high body weight group(G Ⅱ). There was a very significant difference between the groups(P<0.01). The body length and the chest measurement of G Ⅰ were significant lower than that of group Ⅱ(P<0.05). The body weight and body size of the 6-month-old, 12-month-old and 18-month-old calves were measured under the same feeding conditions. The results showed that there were no significant difference between GⅠ and G Ⅱ(P>0.05) except that the body length of 6-month-old calves in G Ⅰ were significant lower than that of G Ⅱ and loin eye muscle area of 6-month-old calves in G Ⅰ were significant greater than that of G Ⅱ(P<0.05).

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吴健,秦立红,曹阳,张国梁,刘基伟,刘庆雨,朱永超,赵玉民.肉牛初生重与后期增重效果的关系研究[J].东北农业科学,2018,43(6):28-31.

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  • 收稿日期:2018-08-14
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  • 在线发布日期: 2024-12-06
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