Some folk on here need to give themselves a day off ?
If it’s got bull in is it’s going to be dog aggressive especially if it’s good bull blood...... ?
That’s a load of shite.
Of course you do just get the odd dog that way inclined, but most of it is rearing, an unfortunate event in life, or handling .... or a combination of those.
As much as giving a dog a hiding isn’t nice, sometimes you have to stamp down hard on behaviours early in order to stop it in its tracks. You’re boss, no ifs, no butts.
Usually once the behaviour is entrenched then you’re goosed