Bactokil 55 500ml is a unique ready to use spray which is effective against orf in sheep and ringworm in cattle. It works by killing the fungus on the skin. Spray to a run-off. All areas effected should be sprayed. Care should be taken not to spray near animals eyes. Spray onto a sponge or cloth and dab near eyes. Bactokill can be sprayed onto the selected areas on a weekly basis until controlled.