If you are interested in giving litter box training a try, it is important to learn what you can do to maximize the benefits derived from its use. (puppy-training-solutions.com)
The other reason a breeder may want to line - breed would be to increase the market value of a litter by giving that litter some good - on - paper heritage. (breedingbusiness.com)
So he started breeding her parents and giving their litters away. (dakotasden.net)