This is not my pony, but a pony who boards with us.
4 days ago now she came up from the paddock, 4 out of 5 lame, near side rear leg swollen from stifle to fetlock and with what appeared to be nothing more than a scratch about 3 inches above her hock on the inside.
The amount of swelling was the giveaway that all was not as it seems as far as it being a "minor wound". Pony owner called the vet out, who cleaned it all up and found that it was a beat deeper than it looked at first glance. He felt around for any foreign bodies, found nothing. Pony was placed on a course of Trimidine and Bute. Unfortunately I didn't get photos of the wound at either of these stages.
3 days in to her course of antibiotics, pony was about a 2 out of 5 lame at the walk, still a 4 out of 5 at the trot. Swelling was slowly coming down, but the wound was not looking healthy at all. It was oozing a yellowish/green liquid as well as occasionally a bit of blood too. There was heat in the leg and the stench was enough to turn your tummy. She also had a piece of granulation tissue protruding from the wound that was not attached to skin anywhere.
This was yesterday morning.
Needless to say, vet was out again yesterday afternoon. After some sedation he cleaned it all up again and had another feel around. This time, while up to his second knuckle, he discovered a pocket below the wound which was collecting fluid and causing necrotic tissue.
So local anaesthetic was given and an incision made below the wound and the "pocket". A drain was inserted to encourage the fluid in the wound to head straight out that way instead of collecting elsewhere and impeding the healing process any further. She is now on a 5 day course of Penicillin as well.
This was yesterday afternoon.
Her stitches and the drain are coming out Monday and the vet will be out again Tuesday morning to check that all is going well.
(if any one is interested I can keep this updated with photos as she heals?)