Does anyone have any experience with this and their horse??? The little round spots going on her sides keep coming up, she's never had them untill last year, and now more and more are coming up? Idk if its from the spotted saddle horse in her or what? But what makes me doubt it is her father who is a registered Morgan, and another Morgan at the farm who is registered has it coming up on them too, could it be a plant there eating????
I'm no expert... but I have heard of bird catcher spots- exactly as you describe, and coming more and more as years go by, still changing with the coat changes.
Some might say it could also be fungal, but as you mention her father being that way too, and make no mention of a skin disorder, I would think bird catcher spots. :)