›› 2012, Vol. 39 ›› Issue (4): 134-138.

• 遗传繁育 • 上一篇    下一篇

内蒙古敖汉旗地区基础母牛存栏量调查方案的研究

刘喜冬1,2, 王延晖2, 高会江2, 许尚忠2, 李俊雅2   

  1. 1. 东北农业大学动物科学技术学院,黑龙江哈尔滨 150030;2. 中国农业科学院北京畜牧兽医研究所, 中国农业科学院肉牛研究中心,农业部畜禽遗传资源与利用重点开放实验室,北京 100193
  • 收稿日期:2011-09-20 修回日期:1900-01-01 出版日期:2012-04-20 发布日期:2012-04-20
  • 通讯作者: 李俊雅

A Sampling Survey on Elementary Heifers Storage in Aohan Region of Inner Mongolia

LIU Xi-dong1,2, WANG Yan-hui2, GAO Hui-jiang2, XU Shang-zhong2, LI Jun-ya2   

  1. 1. College of Animal Science and Technology,Northeast Agricultural University,Harbin 150030,China;2. Key Laboratory of Farm Animal Genetic Resources and Utilization of Ministry Agriculture, Beef Cattle Research Center, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193,China
  • Received:2011-09-20 Revised:1900-01-01 Online:2012-04-20 Published:2012-04-20

摘要： 对畜禽存栏量的调查是农业统计调查的重要内容之一,其统计调查方法主要是抽样调查。本研究旨在通过实例抽样调查,拟出合适的抽样方法对全国的基础母牛存栏量进行调查估计。采用二阶PPS(sampling with probability proportional to size)抽样、分层等比例抽样、分层二阶典型抽样对内蒙古敖汉旗肉牛存栏量进行调查,比较3种方法的准确度。结果表明, 在此3种方法10%的样本量下进行比较时,3种抽样方法按相对误差大小顺序排列为:分层二阶典型抽样＜分层等比例抽样＜二阶PPS抽样,其相对误差分层二阶典型抽样比分层等比例抽样、二阶PPS抽样分别小60.38%、92.83%;置信区间按大小顺序排列为:分层二阶典型抽样＜分层等比例抽样＜二阶PPS抽样。总体而言,分层二阶典型抽样的准确度相对较高,相对误差最小,仅为0.0412。故在实际应用当中,分层二阶典型抽样目前较为适用。

关键词: 肉牛存栏量; 分层抽样; 二阶抽样; 典型抽样

Abstract: A survey on farm animals storage was an important part of agricultural survey, the mainly survey method was sampling. The objective of the study was to select a suitable sampling method based on an example to estimate the nationwide cow storage. Second-order PPS(sampling with probability proportional to size) sampling,the stratified proportion sampling and the stratified second-order typical sampling were adopted in the survey on beef cattle storage in the Aohan county, Inner Mongolia, compared the accuracies given by the three methods. The results showed that under the optimal sample size for each of the three methods,the order of the three methods according to the relative error was: the stratified second-order typical sampling＜the stratified proportion sampling＜second-order PPS sampling, and the relative error of the stratified second-order typical sampling was less than the stratified proportion sampling and second-order PPS sampling to 60.38 and 92.83 percent respectively, while the order of the confidence interval was:the stratified second-order typical sampling＜the stratified proportion sampling ＜second-order PPS sampling. Overall, the stratified second-order typical sampling gave the highest accuracy,and the relative error was the smallest. Therefore, in actual application,the stratified second-order typical sampling is the most applicable.

Key words: beef cattle storage; stratified sampling; second-order sampling; typical sampling

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