 This event combined with the popularity of foreign breeds that arrived in Brazil at the 1970s and 1980s caused the devaluation of the Campeiro Bulldogs, which at the time were considered very common mutts, and the breed came close to extinction.Even as a youth, the cynophile Ralf Schein Bender had fallen in love with the bravery of this dog breed that until then were referred to as Burdoga.His desire to own a dog of this kind made him realize the extreme shortage of the members of the breed.