Justifly Fly-A-Salt Cattle Fly Control Salt Bag, 50 Lb | 800 Feedings Per Salt Bag. One Bag Feeds 8 Cows For 3 Months When You Purchase 5 Or More

An insect growth regulator end-use product to kill stable fly in the manure of beef and dairy cattle. A nutritional supplement containing diflubenzuron for continuous feeding to cattle through stable fly season.