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Optimizer Insecticide Tag
Optimizer Insecticide Tag
Optimizer Insecticide Tag

OPtimizer is an economical organophosphate tag containing 21.4% diazinon that performs well in areas with horn fly pyrethroid resistance. Controls horn flies, Gulf Coast ticks, spinose ear ticks, lice and aids in control of face flies up to 5 months with two tags per head. Approved for use on beef and non-lactating dairy cattle. OPtimizer is ideal for rotation with PYthon™ to help manage horn fly resistance to insecticides.Cow size, 15 gram. Bright orange color.

Item# Item Name Our Price Qty Add
449-021783 Optimizer Insecticide Tag Ranch Pack 100ct
449-010474 Optimizer Insecticide Tag, 20pk
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Extended Information:


Insecticide cattle ear tags. For use on beef and non-lactating dairy cattle in summer to control horn flies (including pyrethroid-resistant populations), lice, Gulf Coast ticks, spinose ear ticks, and aid in control of face flies. Two tags per animal give up to 5 months control of pyrethroid-resistant horn flies. For use in winter to control cattle biting lice, Little Blue cattle lice, and aid in control of Longnosed and Shortnosed cattle lice. Guaranteed against loss due to tag or button failure*. No withdrawal time required.

* This guarantee is a limited guarantee, limited to the replacement of tags only, if the tags failed after being properly applied, to remain in the animal’s ear for a five month period due to tag breakage or separation from button.

Active Ingredient:by weight


0,0-diethyl-0-(2-isopropyl-6-methyl-4-pyrimidinyl) phosphorothioate


Inert Ingredients


Directions For Use:
Summer Season:
For the optimum control of horn flies, lice Gulf Coast ticks, spinose ear ticks, and to aid in the control of face flies, attach two ear tags per animal (one in each ear) in May to June or when flies become a problem in the spring. Provides up to 5 months control of horn flies, including pyrethroid-resistant horn flies.

Winter Season: To control lice during winter season, apply two new ear tags per animal in late fall. Kills cattle biting lice within 2 weeks. Controls little blue cattle lice and aids in control of longnosed and shortnosed cattle lice.

Apply new tags in spring for fly and tick control. Replace as necessary. Apply with the Y-Tex 2-piece tagging system. All animals in the herd should be tagged. Calves less than 3 months of age should be tagged with the lighter weight Optimizer-Calf™ tags or ear damage may result. To minimize development of insecticide resistance, remove used tags at end of fly season and lice seasons and follow Y-Tex’s recommended rotation program.

Step 1: Seat male button firmly on pin, press down and give a slight twist.

Step 2: Place female tag firmly under clip. Collar on tag must be pointing away from pin.

Step 3: Position applicator over ear and squeeze the handles together.

The ideal position for the male stud is between the second and third radial cartilage.

Harmful if absorbed through the skin or if swallowed. Avoid contact with skin and eyes. Wash thoroughly with soap and water after handling and before eating or smoking. Avoid contamination of feed and foodstuffs. If rubbed in eyes, flush with plenty of water. If swallowed or if eye irritation persists, call a physician. Wear clean gloves daily when applying tags. Prolonged or frequently repeated skin contact may cause allergic reaction to some individuals. If sensitization reaction results, consult with a physician. Keep out of reach of children.

Environmental Hazards: This pesticide is toxic to fish. Do not apply directly to water. Do not contaminate water by disposal of used tags. Use this product only as specified on the label.

Storage and Disposal:
Store in a cool place in original container. Opened bags containing ear tags should be resealed for storage. Do not contaminate water, food or feed by storage or disposal.

Storage: Store in cool place away from direct sunlight.

Pesticide Disposal: Remove tags before slaughter. Securely wrap used tags in a plastic bag or several layers of newspaper and discard in trash.

Container Disposal: Do not reuse bag. Discard bag in trash.

Each box contains 1 pouch of 20 tags and buttons. Net weight 15 grams per tag. Tag color is dull orange.

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