家畜生态学报2018,Vol.39Issue(1):69-72,4.
不同社会经济条件下地方猪遗传资源的变化——以民猪和金华猪为例
Variation of Local Pig Genetic Resources in Different Economic Condition:A Case Study of Min Pigs and Jinhua Pigs
摘要
Abstract
Comparative analysis on the changes of genetic resources of Min pig and Jinhua pig in 3 stages of recent 30 years was conducted based on the data from "Pig Breeds in China",Animal Genetic Resources in China,Pigs and other relate document to understand the affection to the local pig genetic resources under the changes of the social and economic condition.The results showed that the population size of the breeds decreased at the second stage and then reversed at the third stage;the body size enlarged,fattening performance turned better and reproductive performance changed less.The research indicated that social demand and feeding pattern altered with the changes of social and economic conditions;the scale of local varieties was greatly fluctuated induced by the introduction of foreign breeds,hybrid breeding of pig breeds and the popularity of large-scale pig raising,and the corresponding variety performance had been changed accordingly.关键词
社会经济条件/民猪/金华猪/资源状况/变化Key words
social and economic condition/Min pig/Jinhua pig/resource condition/change分类
农业科技引用本文复制引用
刘津,贾青,胡慧艳,侯胜奎,赵思思,李晓敏..不同社会经济条件下地方猪遗传资源的变化——以民猪和金华猪为例[J].家畜生态学报,2018,39(1):69-72,4.基金项目
河北省现代农业产业技术体系专项(HBCT2013070202) (HBCT2013070202)