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Difference Between An F1 and F1B  Labradoodle
What's an F1 and an F1b Initially, many people are confused by the use of terms such as F1, F1b, F2, etc... These are genetic terms referring to how the two breeds were crossed.An F1 (or first-generation) is a Poodle bred to a Labrador Retriever. The resulting puppies are 50% Poodle and 50% Retriever.An F1b is also referred to as a Backcross. In this case, an F1 is bred back to a Poodle. The puppies are 75% Poodle and 25% Retriever. To make things more confusing, an F1b is also referred to as an F2.The labradoodle is a popular, relatively new hybrid dog breed; a cross between the Labrador and the Poodle. As the story goes, a Lab and poodle were first crossbred in Australia back in the 1970s for a specific purpose. A blind woman who was allergic to dogs needed a good seeing-eye dog that would not exacerbate her allergy. Since Labs are intelligent seeing-eye dogs with a wonderful temperament, and poodles are known to shed very little, a supposed allergy-free guide dog was created.The labradoodle originated for practical reasons in that there does appear to be a definite need for hypoallergenic pets. In the U.S., for example, the current pet allergy problem is considerable; about 10 percent of the U.S. population is allergic to animals, according to the American College of Allergy, Asthma, and Immunology. For those persons afflicted with asthma, the rate is even higher - approximately 25%. Since dogs are such popular pets, it is not surprising that the labradoodle came to be.