Dominator Insecticide Ear Tag, 20 Count

M 011501

Dominator Insecticide Ear Tag, 20 Count

Merck- Dominator Insecticide Ear Tags by Merck contain 20% Pirimiphos Methyl and provide 5-month control of horn flies. 

Use the Allflex Total Tagger for application Sold Separately!


Formulated with organophosphate 20% pirimiphos-methyl to control susceptible horn flies, including pyrethroid-resistant horn flies, this product also aids in the control of face flies. Use on beef and non-lactating dairy cattle and calves of any age. SuperKleen™ control-released matrix delivers insecticide for up to 5 months. Use two tags per head. Applied with Allflex® tagging system.


SPECIES:  beef and non-lactating dairy cattle and calves


Convenient 9.5-gram tag can be used on calves of any age.

Controls resistant and non-resistant horn flies. 

Proper fly control helps improve feed efficiency.


Causes irreversible eye damage. Do not get in eyes. Harmful if swallowed. Avoid contact with skin or clothing. Wash thoroughly with soap and water after handling. 

Remove contaminated clothing and wash before reuse. Handlers must wear protective eyewear, long-sleeved shirt, long pants, shoes, socks and chemical resistant gloves such as those made of any waterproof material.

Store in cool place away from direct sunlight. 

Do not contaminate water, food or feed by storage or disposal.


Use two tags per animal to help control face flies on beef and non-lactating dairy cattle and calves.

All animals should be tagged. Apply when flies first appear in spring. Replace as needed. Tags remain effective up to 5 months. Remove tags in fall.

M 011501

Data sheet

No Sale to California

Specific References

related products