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4.0 out of 5 stars. 2 reviews
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.

JustiFLY Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.

4.02 Reviews

Item # 162032399

$54.99
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JustiFLY Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.

4.02 Reviews

Item # 162032399

Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
$54.99
financeCard Logo
New Cardmembers earn a $50 Reward‡ with qualifying purchase of $50 or more plus earn 5% in Rewards+ on this purchase. Valid through 3/22/26.Apply now
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JustiFLY Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.

4.02 Reviews

Item # 162032399

Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
Image showing Fly-A-Salt Feed-Thru Fly Control Block Insect Growth Regulator Cattle Supplement, 50 lb.
$54.99
financeCard Logo
New Cardmembers earn a $50 Reward‡ with qualifying purchase of $50 or more plus earn 5% in Rewards+ on this purchase. Valid through 3/22/26.Apply now
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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.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • 800 feedings per salt bag; one bag feeds 8 cows for 3 months
  • Easy-to-use insect growth regulator is great for all life stages
  • Approved for pasture and feedlot cattle
  • Get rid of flies with no cow work with this easy-to-use fly control
  • Zero animal handling stress for convenience
  • Highly effective fly control feed has no withdrawal period
  • Cattle supplement is dung beetle friendly for easy use
  • Costs less than 7 cents per head per day
  • Used to kill flies in the manure of beef and dairy cattle
  • Contains diflubenzuron to be fed continuously to cattle throughout fly season
  • Cattle simply ingest the larvicide as the feed on the salt
  • Passes through the animal and starts to work on flies in the cattle manure
  • No more oily insecticides, pour ons, dust bags, sprays or ear tags
  • Cattle supplement comes in a 50 lb. container

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