Hybrid Dog Breeds: What Does F1, F2, F3, F1b & F2b Mean?
Sep 26, 2015 · Meaning of F1, F1b, F2, F2b & F3 In Hybrid Dog Breeds. Crossbred dogs and designer dogs are often referred to as F1, F2, or F3, or even F1b or F2b. It is just the accepted nomenclature in which we can distinguish hybrid dog breeds between the different generations. This naming standard in here applies for dogs, designer dog breeds, hybrids, and ...
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