This article is from the Breeding, Whelping, and Rearing Puppies FAQ, posted to rec.pets.dogs newsgroup. Maintained by Liza Lee Miller.
Before you breed a dog, you need to decide whether or not that dog is an appropriate candidate for breeding. First of all, no bitch should be bred before the age of 2. They are just not physically mature enough yet. Let them grow up and develop before they go through the physical strain of breeding, carrying, and whelping puppies. This shouldn't be a problem however, because you'll be plenty busy during those two years. Your dog will be in preparation for breeding for the first two years of her life. Everything you do for her, including providing quality nutrition and health care, obedience training, showing, working, and loving will make her a better mother and help her to produce a healthier litter.
 
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