提高家畜杂种优势利用效果的途径

Discussion on the Paths for Increasing the Effective Utilization of Hybrid Vigor of the Livestock

分析了家畜品种间杂交的缺点,阐述了大力开展系间杂交的优势,提出合理利用现有杂种优势的措施。

This paper analyzes the shortcomings of the interspecific cross, expounds the reasons of developing the single cross, and puts forward some measures for making rational use of existing hybrids.