Old school remedy, but it works.....
Put the cow up in a dry lot and for 5-7 days, pour kerosene on the foot.
To prevent foot rot, add iodine to your feed. When I had cows, I mixed about 4-6 oz. of iodine powder with 50 lbs of salt. The blocks of salt with iodine, dont have enough in them to prevent the rot. Once I started doing this, I never had another cow with foot rot.
