It's really hard to tell.. You should just ask the breeder. Just to correct other people about pitbull without papers are not pure. Most of the breeders of the past that are not into peddling but fighting secretly hide their line of dogs.

I'm actually suffering from breed blindness. Pitbull is the only breed for me. Pitbull is a loyal and wonderful dog. I have an American Bully ( a grandson of RE Cai) and 6 gamebreed with blood consists of jeep/redboy/carver/bolio. I join my bully to dogshow (i hate the politics here) and I fight my dogs. … Read more

He could be stressed or tensed. How long had you had him? If he is new to his new place, there's a possibility that he might be just stressed on the new home. If this is not the case, he might just eaten something that he keeps on puking out fluids.   If he poo … Read more