I am a Bulldog man with 35 yrs with these dogs and the last thing you will ever see me do is brag on how good they are around other dogs and livestock and such. I have brought a couple down and hunted them and they were very good around other dogs and understood pigs were the target. BUT, there are times when you can't control every variable in the equation. Don't let yourself be fooled into thinking your bulldog won't do this or that because over a lifetime you will get proven wrong at some point. I'm not sayin, don't trust them but be vigilant.
x2...when I turn my cur dogs loose in my back yard I am somewhat attentive and I will be listening...about the only time I pay close attention is if a female is locked up and in heat...
when I have an APBT I am watching closely...the difference between APBT's and other dogs is that they will finish what they start...and once they don't like the other dog it could be a problem...