Hi - I registered on this site just to find out what you have to say about my issue. I’m a first time horse owner, not an advanced rider. I bought my 9 year old gelding this past December, and life has been wonderful. We ride pasture, trails, he was easy to handle and gentle. Last weekend something changed. He offered to bite repeatedly when I was tacking him up, but it was a slow move - warning and not a completed act. Same weekend different day he acted barn sour when we went out. Just a real jerk, and very unusual for him. Today I tacked him for a ride and he did the same, but he’d turn his head and I’d tell him to quit and he’d turn around. Repeatedly. When I got on he didn’t want to leave the barn and bucked when I insisted. Sadly, I’m not a cowboy and am not skilled or physically talented enough to battle a bucking horse, so he got away with it. I got off and did some flexing from the ground and we walked around the pasture with him tacked up.
We got an older mare as a pasture buddy a few weeks ago. They get along great, both are non-dominant but is has become the alpha. He has ridden with her around. I spend time with him daily - not riding, but grooming, feeding, etc… This behavior only appears when tacking up, riding, or getting around his sides like you’re going to ride him.
I don’t understand his sudden change in behavior, and am not sure how to handle it.