Since footrot lives in soil for only two to three weeks, use planned pasture rotating to you advantage. Some breeds, lines or individual sheep seem to have a propensity for susceptibility to footrot. if you have some sheep that cannot be cured, culling may be the best strategy. If you have a small flock of grade sheep, it may be more feasible to sell the whole flock and buy more sheep in two to three weeks. Summary Do not believe the old wives' tales about footrot. Footrot is most commonly spread by infected sheep entering an uninfected flock.
Prevention is the best cure.