摘要
在阐述种群选配意义的基础上,介绍了纯繁、杂交的概念和作用,分析了纯繁与杂交的关系。
Based on expounding the significance of selective breeding of species group,this paper introduces the concepts and functions of pure-breeding and cross-breeding,and analyzes the relation between pure-breeding and crossbreeding.
出处
《科技情报开发与经济》
2011年第2期180-181,共2页
Sci-Tech Information Development & Economy
关键词
家畜
种群选配
纯繁
杂交
livestock
selective breeding of species group
pure-breeding
cross-breeding