Fly-A-Salt Cattle Fly Control Block with Salt, 44 lb | 700 Feedings Per Salt Block. One Block Feeds 7 Cows for 3 Months.

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.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 5 x 2 x 8 inches; 44 Pounds
Item model number ‏ : ‎ block
Date First Available ‏ : ‎ March 28, 2016
Manufacturer ‏ : ‎ Champion Animal Health
ASIN ‏ : ‎ B085LSXHM6
Country of Origin ‏ : ‎ USA