Neutering

If you don't want to breed with your bitch, the best solution will be to let her neutered before her first season (or  just after). It will protect her form breast cancer and avoid metritis later. For the male, generally it's only advice when you've a dog who is very dominant.

If you want to breed, be sure to take all the information near different breeders, it's not something easy, it costs many times and money and must result of a passion