linebreeding
1. Linebreed, for the most part;
但这些都是必要的条件。
2. Linebreed, for the most part;it is the way to keep a type.
大多数还是做系统繁殖,这才是保持犬型的方法。
3. This has led some breed clubs to discourage the use of linebreeding or inbreeding in an attempt to maintain gene pool diversity.
这就导致了一些俱乐部不鼓励做血系繁殖或是近亲交配,以此保持基因库的多样性。