[header] How to avoid crossbreeding as a dog breeder [title] Choose a dog of the same breed. [step] To avoid crossbreeding, the main thing you have to do is to breed your dog with a dog of the same breed. Both dogs must be purebreds and have no other breed mixed into their bloodline in the past. 
[substeps] This can be determined through pedigree papers presented to you by the breeder. For example, if you have a dachshund, only breed your dog with another dachshund.