'Drop foot' .... laminae 'falling out'??
Never heard that one before!
I know right! I has never heard of it either, but luckily/unluckily for me I got to see the hoof. The poor girl could barely walk, and her hoof had jagged lines all across the front. When my friend picked it up I swear I gagged, the smell was horrible! Looking into the gap, you could see the progression, it had travelled behind the hoof wall and the hoof sole, and literally nothing in between + very deep. I've recently found out that they got an x-ray on her hoof and it turns out her pedal bone is beginning to twist down and through what left of her hoof! apparently you can see a part of it by looking down into the hoof, as a result of this they now need to put her down...
I just didn't want to describe it with that much detail and scare anyone
DWABoat, the above statement doesn't apply to your mare! It is just something that I have seen
The copper sulfate can be applied either in a bucket with a bit of water (best to ask your farrier on how many parts per water, as it depends on the level of severety) but her foot will need to stand in the bucket for a few minutes a day, then left to dry off, or melt a bit of wax and when it becomes pliable add in the copper sulfate! If you get your timing right (use a dry hoof) the wax should create a 'plug' this will not only deliver the treatment, but allow the hoof to become sealed off. If it comes off, it just means the wax wasn't at the right consistency to attach to the hoof. My other suggestion would be maybe a hoof boot until it is all cleared up, this again will help keep the hoof clean and dry.
Horses are amazing animals but unfortunately they like to throw us little curve balls every now and again! Keep an eye on it, keep up general maintence and I'm sure she'll be ok. It's obvious that her care about her wellbeing, and picking it up early will help decrease healing time. Good Luck!!