JUSTIFLY FLY ASSAULT 50# BAG

The JustiFLY Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement is used to kill flies in the manure of beef and dairy cattle. The fly control cattle supplement is a nutritional supplement containing diflubenzuron to be fed continuously to cattle throughout fly season. Cattle simply ingest the larvicide as they feed on the cattle supplement. Use this cattle supplement with cattle of all life stages. Its block form makes it easy to feed to your cattle.