AGRESSOR Insecticidal Ear Tags

AGRESSOR insecticidal ear tags for cattle are fast-acting slow-release tags with a unique formula that targets Buffalo Fly that are resistant to other commonly used insecticides for up to 16 weeks.

Product type

Fly Tag

Active ingredient

Abamectin 8%, Piperonyl Butoxide - Technical 18%

Pack sizes

20 tags, 100 tags, 1300 tags

Pest type

Buffalo Fly {Haematobia irritans exigua}

Withholding periods

Meat Nil
Milk Nil
Export Slaughter Interval DO NOT slaughter for export less than 42 days after application.


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Advantages of AGRESSOR Fly Tags

  • Insecticidal Ear Tags are the only fly treatment that give sustained long-term control of Buffalo Fly. sprays and Pour-Ons only have temporary results.
  • For use on beef and dairy cattle
  • Rapid results - usually eliminating Buffalo Fly within 1 day
  • Contains a unique chemical compound making it ideal for use as a rotation option in an insecticidal tag rotation program to help minimise insecticide resistance.
  • The only fly tag worldwide to contain a macrocyclic lactone, which is effective against OP and SP resistant strains of Buffalo fly.

What is a Buffalo Fly?

The blood-sucking Buffalo Fly can cause severe irritation in cattle affecting weight gain, milk production and hide value.

The Y-Tex Insecticidal Ear Tag Strategy

An insecticidal ear tag rotation strategy is important to prevent Buffalo Fly becoming resistant to commonly used insecticides.

What is insecticidal resistance?

Resistance to a particular chemical group is caused by the target pest being exposed to a sub lethal dose of insecticide. Find out how to avoid this.