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Discussion on Just below the coronary band
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Member:
Miamoo
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Posted on Thursday, May 11, 2006 - 7:48 am:
My TB/Draft cross stepped on himself yesterday toward the front of the inside of his left front foot. He stepped hard enough that he injured an area just below the coronary band possibly touching the bottom of the band. The scrape is about a cm long and was deep enough to cause light bleeding through the hoof wall. It was soft and gooshy last night. I cleaned it out with a batadine scrub. This morning it is hard rather than gooshy.
Has any one had an injury like this? It freaked me out a bit to see blood coming through the hoof wall. It is sore to the touch although he doesn't appear lame on it. Will this stay sore until it is completely grown out? Any thoughts?
Ella 
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Moderator:
DrO
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Posted on Thursday, May 11, 2006 - 8:26 am:
Assuming the wound is no more than you describe it will cornify rather quickly and the soreness will go away though the outer defect will have to grow out. Keep the wound clean, daily hose it out, and pack it with neosporin. If the horse becomes lame have your vet out to look at it.
DrO
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Member:
Miamoo
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Posted on Thursday, May 11, 2006 - 10:30 am:
It is so interesting that the hoof wall will cornify in. I know when an injury is down at the bottom of the hoof it won't fill in. How far down the hoof is the wall still "live" so it can fill in and cornify?
Thank you for your reply!
Ella 
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Member:
Hwood
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Posted on Thursday, May 11, 2006 - 11:03 am:
Ella, if you got blood, then it is alive there. If it is below the coronet, the hoof will grow out and you shouldn't have any residual marking of the horn to tell you that the injury was ever there. If the coronet itself was notched, then your horse may always have a line that grows down from the site of the injury. It sounds as if your horse's injury is mild.
I have seen several coronet/hoof injuries. Though one of the injuries (to a horse that stepped on herself in a pasture tiff) was quite severe to the coronet and took months to heal, (LOTS of bathing, medicating, and wrapping to encouraged the flap of coronet and skin to reattach) today the horse is fine and has nothing to impair her movement.
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Moderator:
DrO
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Posted on Thursday, May 11, 2006 - 7:08 pm:
There is a corium, the horn producing tissue, down all but the distal aspect of the wall. It is constantly adding horn to the back of the wall as it grows down. This accounts for the thicker wall distally. This is the horn, "patched onto the back of the wall defect" that will seal this defect. The defect will have to grow out as it does not "fill in", it is the back of the defect that is patched. For more on this see, References » Equine Illustrations » Leg Anatomy and Conformation » The Corium: horn production of the foot.
DrO
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