Breeding dogs from the same parents but different litters is not something that is recommended, especially if you are new to breeding and not very knowledgeable about genetics and how breeding closely related dogs may impact the puppies produced. Even experienced breeders who breed closely related dogs stumble on problems, because every time you breed closely related dogs, you increase the risks for undesirable traits to pop up. Following is information about why you don't want to breed dogs from the same parents but different litters.
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Can You Breed Dogs From the Same Parents But Different Litters?
Yes, you can, but it is not recommended. Technically, when you breed dogs from the same parents but different litters, to put it bluntly, you are literally breeding brothers and sisters.
When you breed closely related dogs such as mother and dad, brother and sisters, dads and daughters and mothers and sons, and so forth, you are inbreeding. While inbreeding is something that professional breeders sometimes do, it is not a very safe practice.
The purpose of inbreeding is to hopefully combine all the good characteristics from brother and sister into one puppy. In other words, the goal is to fix exceptional dog traits in the subsequent puppies. However, there is also risk that negative characteristics from hidden recessive genes may pop up leading to smaller litter size. lowered immune systems and unhealthy puppies. This happens because, when breeding closely related dogs, you have less genetic diversity.
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