| 宁夏安格斯牛体尺和体质量遗传参数估计 |
| |
| 引用本文： | 冯小芳,封 元,张 娟,王 瑜,洪 龙,巫 亮,顾亚玲,蒋秋斐.宁夏安格斯牛体尺和体质量遗传参数估计[J].西北农业学报,2019,28(5):686-691. |
| |
| 作者姓名： | 冯小芳 封 元 张 娟 王 瑜 洪 龙 巫 亮 顾亚玲 蒋秋斐 |
| |
| 作者单位： | （1.宁夏大学 农学院，银川 750021；2.宁夏畜牧工作站，银川 750001） |
| |
| 基金项目： | 宁夏回族自治区畜牧工作站：宁夏安格斯牛核心群建设项目。 |
| |
| 摘 要： | 旨在对宁夏地区638头成年安格斯牛的体质量、体尺指标进行遗传参数估计。运用DMU软件DMUAI模块,AI-REML结合EM算法并配合多性状动物模型,以出生场、年度、季节和月龄作为固定效应,动物个体效应作为随机效应。研究结果表明:成年安格斯牛体质量、体高、体斜长、胸围、腹围、管围和十字部高的遗传力分别为0.5、0.6、0.39、0.6、0.29、0.69、0.45,除腹围外,其他性状均属于高遗传力性状,各性状间的遗传相关为0.44～0.97,表型相关为0.42～0.93,均呈强的正相关。
|
| 关 键 词： | 安格斯牛 体质量 体尺性状 遗传参数 |
Genetic Parameter Estimation for Body Measurements and Mass of Augus Cattle in Ningxia |
| |
| FENG Xiaofang,FENG Yuan,ZHANG Juan,WANG Yu,HONG Long,WU Liang,GU Yaling and JIANG Qiufei.Genetic Parameter Estimation for Body Measurements and Mass of Augus Cattle in Ningxia[J].Acta Agriculturae Boreali-occidentalis Sinica,2019,28(5):686-691. |
| |
| Authors: | FENG Xiaofang FENG Yuan ZHANG Juan WANG Yu HONG Long WU Liang GU Yaling and JIANG Qiufei |
| |
| Abstract: | The study aims to estimate the genetic parameters of body mass and bidy size of 638 Angus cows in Ningxia area.Using DMU software DMUAI module AI-REML and combining with EM algorithm and multi-trait animal models, we considered the birthplace,year,season,and the age of month as fixed effect and genetic effect as random effect. The results showed that the heritability of body mass,body height,body length,chest girth,abdomen circumference,cannon circumference,and hip height were 0.5,0.6,0.39,0.6,0.29,0.69 and 0.45,respectively,except for abdomen circumference ,the rest of the traits were highly inheritable.Genetic correlations among these traits ranged from 0.44 to 0.97 and phenotypic correlation among these traits ranged from 0.42 to 0.93,it showed a strong positive correlation. |
| |
| Keywords: | Angus cattle Body mass Body traits Genetic parameters |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《西北农业学报》浏览原始摘要信息 |
| 点击此处可从《西北农业学报》下载免费的PDF全文 |
|
