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对其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群小~~如果这些并没有在血系内繁殖小任何祖先身上呈现~~可能就不准确繁殖。