The Bulldog Campeiro is a Brazilian Bulldog

Bulldog

Bulldog is the name for a breed of dog commonly referred to as the English Bulldog. Other Bulldog breeds include the American Bulldog, Olde English Bulldogge and the French Bulldog. The Bulldog is a muscular heavy dog with a wrinkled face and a distinctive pushed-in nose...

. It is an extremely old breed of working dog

Working dog

A working dog refers to a canine working animal, i.e., a type of dog that is not merely a pet but learns and performs tasks to assist and/or entertain its human companions, or a breed of such origin...

. The dog descends from the ancient Old English Bulldog

Old English Bulldog

The Old English bulldog was a breed of dog.-Appearance:The Old English bulldog was compact, broad and muscular, as reflected in the well-known depiction Crib and Rosa. The average height was approximately 15 inches, and they weighed about 45 pounds...

s brought to Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

during the 16th century by European immigrants. The ideal height is between 48 and 58 cm (18.9 and 22.8 inches) at shoulders height (withers); the ideal weight for males and females between 35 and 45 kg (77,2 and 99,2 lb).