Join Date: May 2007
Location: Fairbanks, Alaska
I would give the bitter spray a try on things that are common targets for him, but it might just be that he is very mouthy/oral in his personality. It might also improve with each year that he ages and matures. My stallion is very into putting things in his mouth, but used to be much worse. He is six now, and pretty much only mouths on his lead rope when I step away from him when he is tied. He used to put all sorts of things in him mouth. I never encouraged him in mouthing things, but I did not reprimand him either. I simply took the items out of his mouth, and went on with my business. Now, I ocassionally give him my crop to hold in his mouth, which he mouths for a few seconds and then drops on the ground...
You could try to bitter up un-approved items, and then come up with an okay to mouth item that you carry and give him during the times when he is trying to mouth other things. Take away the no-no item, and put the okay one in his mouth. :) No idea
Honestly, if he is not hurting himself, and you get the things out of his mouth right away, I don't see it as a huge problem. If he does it in him pen, maybe get a couple of horse approved toys like the jolly ball, and maybe some sort of hanging lick for him.