This is partly due to the fact that commercial kennels tend to breed many different breeds in one facility and they breed for quantity, not quality.

这一部分归咎于商业犬舍常常用一套繁育设施进行多种繁育，他们只注重数量而不注重质量。

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This is partly due to the fact that commercial kennels tend to breed many different breeds in one facility and they breed for quantity, not quality.

这一部分归咎于商业犬舍常常用一套繁育设施进行多种繁育，他们只注重数量而不注重质量。

youdao