大庆DHI体系的建立  

Establishment of DHI Standard System in Daqing

作　　者：谭伟卓[1] 张永根[1] 徐承斌 

机构地区：[1]东北农业大学动物科技学院,哈尔滨150030 [2]黑龙江省大庆市家畜良种繁育中心,大庆163311

出　　处：《中国奶牛》2011年第7期4-6,共3页China Dairy Cattle

基　　金：国家奶牛产业技术体系项目(nycytx-02-02)

摘　　要：本研究对大庆DHI数据进行整理,采用国际TOP25方法获取目标值及SAS回归模型方法对数据进行分析,获得大庆地区不同胎次牛群的目标值与泌乳曲线;并结合以色列DHI数据,建立大庆地区DHI体系;比较本地区与以色列的差异,以期提高DHI报告的准确性。With the international Top ：25 method to obtain the target Value and using the SAS regression model,DHI data of area were analyzed in this study. The target value and lactation curve of different parity in Daqing was obtained, and DHI standards in Daqing was established combining with Isral DHI data. The differences between this standard and Isral standard were compared in order to improve the accuracy of DHI reports.

关 键 词：DHI体系 数据分析 

分 类 号：S823[农业科学—畜牧学]