No, not when they know the results will be completely unpredictable and that there are already thousands of accidentally - bred mixed breed dogs in need of good homes. (americanshihtzuclub.org)
Older cats can be just as playful as kittens and are in a more desperate need of a good home. (pethelpful.com)
And many local clubs have «rescue» dogs in need of good homes. (igpr.org)