My pops breeds them in fl. We had a litter not to long ago sold all of the pups. There's some pics on here some where.
I just recently got a new puppy from La Cocha kennels in cordoba Argentina. Where the dogo was created. They are actually family member to the man who created the dogo. Very well bred real deal dogo. Not your average watered down back yard bred dogo. My pup is the son of Morocho a very well known dogo. He was used to show the breed on dogs 101.
http://www.noresdogoargentino.com.ar/ingles/criadero.htmThat's the link to their website. They have pups ready to go now. Very nice people they will email you back within two days.