(Merck) Low volume dosage for maximum control of horn flies, lice, sheep lice, sheep keds, face flies, and ticks. Approved for dairy cattle with no milk withdrawal and no pre-slaughter withdrawal. Contains permethrin. 1 quart will treat 64-500 lb. animals, 1 gallon will treat 256-500 lb. animals. BEEF & DAIRY: 3 ml per 100 lbs. up to a maximum of 30 ml per animal. SHEEP: 1 1/2 ml per 50 lbs. up to maximum of 18 ml.