Clinically proven feed-thru fly control, highly palatable just add to feed. The only equine feed-thru fly control granted reduced-risk status by the EPA. Contains no organophosphates. 97-100% effective for inhibiting the development of adult house flies and stable flies in manure of treated horses. LarvaStop breaks the fly life cycle by preventing the formation of fly larvae’s exoskeletons when they molt (resulting in their death). This product contains no organophosphates and can be used as part of an integrated pest management program. SimpliFly with LarvaStop is a reduced risk pesticide.3.75lb = 60 daysDirections for Use:It is a violation of Federal law to use this product in a manner inconsistent with its labeling.DO NOT USE ON HORSES INTENDED FOR SLAUGHTERFeed the recommended dosage of SimpliFly® with LarvaStop™ to each horse separately to make certain he receives his full portion. This product should be fed top dressed on grain or mixed with the horse's total ration to provide 6.8 mg of diflubenzuron per 100 lbs. of body weight. For an occasional finicky eater who does not accept new feeds readily, mix this product with sweet feed or grain ration.Start feeding SimpliFly® with LarvaStop™ early in the spring before flies begin to appear and continue feeding throughout the summer and into the fall until cold weather restricts fly activity. This product contains an insect growth regulator which prevents the development of house flies and stable flies in the manure of treated horses, but is not effective against existing adult flies.In some cases, supplemental fly control measures may be needed in and around paddocks and buildings to control adult house and stable flies which can breed in other decaying vegetable matter or silage on premises, or that migrate in from other areas.SimpliFly® with LarvaStop™ should be used as part of an integrated pest management program aimed at reducing fly populations in the horse's environment. Consult your retailer for program recommendations. In order to achieve optimum fly control, this product should be used in conjunction with other premise and on-animal products as well as good management and sanitation practices.Daily Dosage: 300-500 lb.Horse, Pony orMiniature HorseFeed 2/5 oz. per horse per day.(One measuring cup filled to the blue line.)500-700 lb.Horse or PonyFeed 3/5 oz. per horse per day.(One measuring cup filled to the red line.)700-900 lb.HorseFeed 4/5 oz. per horse per day.(One measuring cup filled to the green line.)900-1100 lb.HorseFeed 1 oz. per horse per day.(One full measuring cup.)1100-1300 lb.HorseFeed 1 1/5 oz. per horse per day.(One full measuring cup plus onemeasuring cup filled to the black line.)For larger horses over 1,300 lbs. of body weight or draft horses, feed an additional 1/5 oz. for each additional 200 lbs. of body weight.Read complete label Here.