I have chosen to divide the gallery into two sections: one for the F1-generation and one for the future generations, F2-F4, where the Pug share is 75-95 percent, and the Pugs are called Retro Pugs. The F1-generation is very important because it the foundation of the Retro Pug breeding. All generations F1-F4, are very important in breeding, as well as so-called Old German Pugs that are considered purebred.
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