OPtimizer PYthon Warrior PYthon Maxima Brute for Horses Brute for Cattle Agressor


Get Optimized!!

OPtimizer is a moulded plastic cattle ear tag containing diazinon, a highly active organophosphate insecticide.  OPtimizer is not affected by pyrethroid resistance in buffalo flies. It has a bright orange colour for easy visibility.  Its net weight of 15 grams assures long-lasting activity. All inert ingredients contained in OPtimizer are non-toxic.


Controls Buffalo fly, including diazinon-sensitive and pyrethroid-resistant strains for up to 4 months. 


OPtimizer is packaged in sachets containing 20 tags and is available in boxes of 20, 100 and 500 tags.


  1. Approved for use on both beef cattle and dairy cattle, including lactating dairy cows.
  2. Kills pyrethroid-resistant Buffalo flies.
  3. Brings proven weight gains.
  4. Reduces need for frequent spray treatments and mustering costs.
  5. No withholding period.
  6. Has Y-TEX® patented Snap-Lok collar for guaranteed retention against tag or button failure for 5 months.

  7. Uses the proven Y-TEX® two-piece application system.

  8. Rainfast and dipfast.
  9. Environmentally friendly.
  10. Low toxicity formulation.
  11. Can be shipped as non-dangerous goods.

OPtimizer Insecticide Cattle
Ear Tag Brochure


Fact Sheet 8  Buffalo Fly Control Strategies for use with Warrior Insecticidal Ear Tags

Fact Sheet 9  The Dollar Benefit of Long-term Buffalo Fly Control on Cattle



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