Butox Pour-On (Deltamethrin)

Butox Pour-On (Deltamethrin)

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This product is only licensed for sale in the Republic Of Ireland

Butox 7.5 mg/ml Pour-on suspension is a ready to use pour-on insecticide used in the treatment and control of sucking lice, biting lice, keds and flies on sheep and cattle. 

Active Ingredient: Deltamethrin

Target Species: Cattle, sheep

Treats and Controls: Sucking lice, biting lice, keds and flies

Administration Method: Pour On

Withdrawal Time: 18 days for cattle intended for meat and offal, 12 hours for cattle producing milk for human consumption. 48 hours for sheep intended for meat and offal, 12 hours for sheep producing milk for human consumption

Dosage for lice and keds treatment: 10 ml per animal irrespective of weight.

Dose Volume Number of full doses per pack
250ml 1 Litre 2.5 Litre
10 ml 25 100 250

Dosage for flies on calves and cattle:10ml per 100kg Bodyweight up to 300 kg

Body Weight Dose Volume Number of full doses per pack
250 ml 1 Litre 2.5 Litre
up to 100kg 10 ml 25 100 250
100-300 kg 20 ml 13 50 125
over 300 kg 30 ml 8 33 53

Always read the label and all enclosed information for Butox 7.5 mg/ml Pour-on before administering to animals!

The active ingredient in Butox 7.5 ml/mg Pour-on is Deltamethrin which is a highly effective and powerful insecticide but is also safe to use on livestock. Compared to other insecticides that are safe to use on livestock, such as Permethrin and Cypermethrin, Deltamethrin (the active ingredient in Butox 7.5 ml/mg Pour-on) is far superior at neutralising insects. The table below shows the effect each insectiside has on the simple house fly.


What are the advantages of using Butox 7.5 mg/ml Pour-on?

  • The unique formula enables the treatment to spread easily over the body of the treated animal
  • The formula is highly lipophilic which means it blends with the animals natural oils to provide a longer lasting treatment.
  • Butox 7.5 mg/ml Pour-on is rainfast
  • It can be applied straight from the bottle

What effects to flies have on my livestock?


Stable Fly: Can reduce milk production in dairy cattle and have a great impact on the weight gain of beef cattle.
Face Fly: Can transmit bacteria among livestock and has been associated with pink eye
Head Fly: Has been linked to summer mastitis
Midges: Can spread bluetongue virus and scmallenberg virus
 Features of Butox 7.5 mg/ml Pour-on
  • Ready to use pour-on insecticide 
  • Treats and control sucking lice, biting lice, keds and flies on sheep and cattle. 

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I would highly recommend Country Farm Supplies my parcel arrived very quick and I was very happy with the quality of the goods inside. And very impressed with the price of the box set it was a bargain great present for a loved one


It was so easy to order on line from Farm Shop. Order arrived very quickly


Second time to use Country Farm Supplies and again found them to be very good. The quality of the item and the speed with the delivery (24 hours) was excellent. Will use this company again.

Dolores Mc Gee

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