| F1 =
1st generation puppy. This puppy is 50% purebred X 50% purebred e.g., a Boxer X American Bulldog cross = an F1 Bulloxer |
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F1b = back cross puppy. This puppy is 25% purebred X 75% purebred e.g., an F1 Bulloxer X a purebred American Bulldog cross = an F1b Bulloxer |
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F2 = second generation puppy. This puppy is an F1 hybrid dog crossed with an F1 hybrid dog. e.g., an F1 Bulloxer X an F1 Bulloxer = an F2 Bulloxer |
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F2b = second generation back cross puppy.
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Northeast Wisconsin Bully Breeders A Division of Porterfield Exotics |
| Hybrid Classifications & Definitions |
| The generation number of hybrid dogs is noted as F1, F1b, F2, F2b, F3, M or MGB. |
| Hybrid By Definition |
| The offspring resulting from the cross between parents of different species, sub-species or breeds pertaining to the offspring produced from the crossbreeding of such. |
| Crossbreeding By Definition |
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The act or
process of producing offspring by mating purebred individuals of
different breeds, varieties or species. |
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| This page was last updated on - 12/28/2010 |
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F3 = F2 hybrid X F2 hybrid |
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M=Multi-generation Hybrid. This puppy is an F3 or higher generation hybrid dog crossed X an F3 or higher generation hybrid dog |
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MGB
= (all dogs in this catagory are over 85% of one breed) This can be achieved by a F1b dog bred to purebred dog of the same majority breed in the F1b dog (e.g. F1b Bulloxer bred to a Boxer = MGB Bulloxer Also by any MGB dog then again crossed with the majority breed again. |
| Northeast Wisconsin Bully Breeders does not breed our two breed hybrids past a 75% X 25% cross. |