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


PYthon MAXIMA is a sustained-release, plastic ear tag containing a synergized formulation of zetacypermethrin, a potent, enriched S-isomer pyrethroid compound. This insecticide has excellent activity against many ectoparasites of cattle. PYthon MAXIMA's larger net weight of 15.4 grams per tag provides greater insecticidal release for maximum effectiveness against buffalo flies and other ectoparasites. PYthon MAXIMA provides an excellent tool for rotation with other insecticides.


Controls susceptible buffalo flies and aids in control of cattle biting lice and nuisance flies on beef and dairy cattle AT ONE TAG PER HEAD. 


PYthon MAXIMA is available in 20, 100 and 500 tag packs, in sachets of 20 tags each. Each tag contains a male button for attachment.


  1. Labelled for use as one tag per head on beef and dairy cattle, including calves over 3 months of age and lactating dairy cattle.
  2. It is the only synergized Pyrethroid tag with 15.4 grams net weight, designed for extended insecticide release.
  3. Controls susceptible buffalo flies for up to 3 months and aids in control of cattle biting lice and nuisance flies on beef and dairy cattle.
  4. Provides maximum, sustained pest control potency, which can result in increased weight gains.
  5. Provides an ideal, cost-effective management tool for other classes of insecticides to help minimise insecticide resistance.
  6. Has nil withholding period and zero export slaughter interval.
  7. Has the Y-TEX® patented Snap-Lok® collar for guaranteed retention against tag or button failure for 5 months.

PYthon MAXIMA 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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