It depends on the sequence of events, it depends on how you came to find this breeder and what, if anything, the breeder's website says about breeding rights. Can a breeder tell you not to breed your puppy?Yes. Breeders will often sell puppies on no breeding contracts. This is done to keep dogs out of shelters. Begin your license application here. Other financial details around breeding. The contract should indicate that no dog can be bred until they're at least 18 months old. The Animal Law Firm is skilled in contracts that specifically deal with animals in the state of Texas. We'll work with you to ensure the animal's welfare wins Commercial Breeder means any person who allows a dog or cat in his possession to produce offspring.