3 year old lab has suddenly started to run off and chase other dogs. He's also got a bit growly occasionally with other young males.
He's shown interest in bitches in season before but not enough to bother having him done.
Suddenly he's started running off (sometimes a very long way) after a dog he wants to play with or just likes the look of. Last time the bitch had been done so certainly not in season. It comes out of no where and is very stressful as he's run across a road before and obviously he's very much faster than me!
Might the chop help in any way or is it too late? There are opposing views and I can't decide if it'll be a waste of time as I know there are health advantages to leaving the tackle intact.