linebreeding

This has led some breed clubs to discourage the use of linebreeding or inbreeding in an attempt to maintain gene pool diversity.

因此，这足以证明受欢迎公犬种延续有着潜移默化影响。

A linebreeding may produce a puppy with magnificent qualities, but if those qualities are not present in any of the ancestors the pup has been linebred on, it may not breed true.

血系内繁殖可以生出质超群小狗~~但是如果这些质并没有在血系内繁殖小狗任何祖先现~~可能就是不准确繁殖。