Prevents the emergence of house flies, horn flies, face flies and stable flies from manure of treated cattle. Prevents the emergence of house flies and stable flies from manure of treated horses. Safe, effective, feed-through fly control for horn, face, stable and house flies Can be used with all classes of cattle and horses Fortified with NRC recommended levels of minerals and vitamins Convenient, 33.3-lb blocks can be easily placed where needed Does not affect existing adult flies Start use in early spring before fly appearance and continue feeding until cold weather restrics fly activity Cattle should consume an average of 0.8 oz of Fly Control Block per 100 lbs of animal body weight per day which is equivalent to 8 oz. per day for a 1,000-lb cow. Horses should consume an average of 1.2 oz. of this product per 100 lbs of animal body weight per day which is equivalent to 12 oz per day for a 1,000-lb horse.
