Equitrol II

Item #14039

$21.99 to $94.99

Equitrol II

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Contains 0.24% Diflubenzuron (Dimilin®) to prevent the development of stable and horse flies in manure of treated horses. Pelleted. Read More

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Featured Advice from Our Experts


Fighting Flies With Farnam

Why Fight Flies?  Fly control keeps your horse comfortable. But that’s not the only reason to minimize flies. Flies and other biting insects pose a major health risk to your horse and you...


Equitrol® II Feed-Through Fly Control

Contains 0.24% Diflubenzuron (Dimilin®) to prevent the development of stable and horse flies in manure of treated horses. Not effective against existing adult flies.

Dosage Instructions:

For 900 - 1,100 lb horse - feed 1 oz (1 full measuring cup included) per horse per day.


Do not use in horses intended for slaughter.

View manufacturer and/or label information


  • Brand: Farnam
  • Form: Pellets
  • Ingredients: Dimilin
  • Servings: 64,160,320

Reviews (6)

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  1. 5.0 out of 5 stars

    "They eat it."

    My donkey is a very picky eater and he readily agreed to have this put into his dinner and eats it! I have not used it long enough to let anyone know if it works for us in combating flies.

  2. 5.0 out of 5 stars

    "Great product"

    Have used for several years. All our horses eat it with no problem. Fly problem under control all season: April through September.

  3. 5.0 out of 5 stars

    "Equitrol Feed Thru Fly Control"

    I had been using another product for a few years, and I thought it was working pretty well. Then I found Equitrol! It is FAR superior to any other product!

  4. 5.0 out of 5 stars

    "Equitrol fly control"

    Have used this product for several years now - it definitely reduces the fly population. No ill effects on the horses, very easy to feed. I have a couple of very picky eaters and they eat this readily.

  5. 4.0 out of 5 stars


    There is no difference in the price or manufacturere of simplifly or this product. THe guide lines read the same too. I have used this product for 4 yrs and truely feel it works very well.

  6. 5.0 out of 5 stars

    "NO FLIES!!"

    I have been using this product for about 3 years now and my barn has NO FLIES. I tried others but this one works the best!

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