Originally Posted by kchfuller
Totally agree! I have never heard of a horse whinnying in pain.
Your vet should be able to tell if there is back pain, and as far as that goes you can too....run your fingers along their spine, giving firm but not harsh pressure, if they flinch (move away or drop their backs down when you get to a certain spot), that can be an indication of pain in that area.
This by no means is to replace a vet...it just may give you an indication prior to the vet arriving where the pain be generating from.
Do you own just the one horse? Or is she housed w other horses? She is more than likely calling for her pasture buddies if there are other horses on site.