This paper discusses closed water breeding techniques of eel from the design of the pool, treatment of seed eels and management.
本文主要从鳝池的设计、苗种处理、日常管理等方面探讨了鳝鱼的静水无土养殖技术。
During the history of plant breeding there has been a desire to increase the choice of genes (the gene pool) available FOR crop improvement.
在植物育种的历史中，人们一直希望增加对可用于植物改良的基因(基因库)的选择机会。
It has also been pointed out that our rich animal breed resources will provide us with the valuable materials (i. e. the germplasm or gene pool) in animal breeding.
作者也指出了我国家畜品种资源极为丰富，并对家畜的遗传育种提供了可贵资料。
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