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

因，这足以证明受欢迎的公犬对其品种的延续有着潜移默化的影响。

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.

血可以生出品质超群的小狗~~但是如果这些品质并没有在血的小狗任何祖先身上呈现~~可能就是不准确的。