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Patriot Defense System Insecticide Cattle Ear Tag

This page contains information on Patriot Defense System Insecticide Cattle Ear Tag for veterinary use.
The information provided typically includes the following:
  • Patriot Defense System Insecticide Cattle Ear Tag Indications
  • Warnings and cautions for Patriot Defense System Insecticide Cattle Ear Tag
  • Direction and dosage information for Patriot Defense System Insecticide Cattle Ear Tag

Patriot Defense System Insecticide Cattle Ear Tag

This treatment applies to the following species:

Insecticide Cattle Ear Tag

Company: Bayer Animal Health

Contains closed tip rivets

Apply with Allflex® Blunt Pin

For use on Beef and Non-lactating Dairy Cattle to control Horn Flies (including pyrethroid resistant populations), Gulf Coast Ticks, Spinose Ear Ticks*, and as an aid to control Face Flies, Lice*, Stable Flies* and House Flies*.

*Not for use on this pest in California

Active Ingredient

By Weight

Diazinon (CAS No. 333-41-5)


Other Ingredients




Keep Out of Reach of Children



Contains an organophosphate that inhibits cholinesterase.

If on skin or clothing

● Take off contaminated clothing.

● Rinse skin immediately with plenty of water for 15-20 minutes.

● Call a poison control center or doctor for further treatment advice.

If in eyes

● Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye.

● Call a poison control center or doctor for treatment advice.

If swallowed

● Call a poison control center or doctor immediately for treatment advice.

● Have person sip a glass of water if able to swallow.

● Do not induce vomiting unless told to by a poison control center or doctor.

● Do not give anything by mouth to an unconscious or convulsing person.


Have the product container or label with you when calling a poison control center or doctor, or going for treatment. You may also contact 1-800-322-8177 for emergency medical treatment information.


This product is a cholinesterase inhibitor. If symptoms of cholinesterase inhibition are present, atropine sulfate by injection is antidotal. 2-PAM is also antidotal and may be administered, but only in conjunction with atropine.

Precautionary Statements

Hazards To Humans


May be fatal if absorbed through skin. Harmful if swallowed. Causes moderate eye irritation. Do not get in eyes, on skin, or on clothing. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet. Wear chemical-resistant gloves made of rubber or any waterproof material (thickness equal to or greater than 14 mils) when applying tags.

Personal Protective Equipment (ppe)

Applicators and other handlers must wear:

● Long-sleeved shirt and long pants

● Shoes and socks

● Chemical resistant gloves made of rubber or any water proof material (thickness equal to or greater than 14 mils).

User Safety Requirements

Follow manufacturer’s instructions for cleaning/maintaining PPE. If no such instructions for washables exist, use detergent and hot water. Keep and wash PPE separately from other laundry.

User Safety Recommendations

Users should wash hands before eating, drinking, chewing gum, using tobacco, or using the toilet. Users should remove clothing/PPE immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing. Users should remove PPE immediately after handling this product. Wash the outside of gloves before removing. As soon as possible, wash thoroughly and change into clean clothing.

Environmental Hazards

This pesticide is highly toxic to birds, fish, and other wildlife. Do not apply directly to water. Do not contaminate water by disposal of used tags.

Directions For Use

It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Reformulation or repackaging of this product is prohibited.

For adequate control of horn flies, attach one tag per animal. For optimum control of horn flies, control of ear ticks, and as an aid in the control of face flies, lice, stable flies and house flies, attach one tag to each ear (two per animal). Replace as necessary. PATRIOT™ tags have been proven to be effective against pyrethroid resistant horn flies for up to five months. Apply as indicated (Figures 1-5). Calves less than 3 months of age should not be tagged as ear damage may result.

Remove tag prior to slaughter.

Storage and Disposal

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

Storage - Store in a cool place in original container.

Opened pouches containing ear tags should be resealed for storage.

Pesticide Disposal - Waste (spent tags) resulting from the use of this product may be disposed of on site or at an approved waste disposal facility.

Container Disposal - Nonrefillable container. Do not reuse or refill this container. Dispose of empty pouch in a landfill or by incineration. Do not burn unless allowed by state and local ordinances. If burned, stay out of smoke.

Warranty And Limitation Of Damages

Seller warrants that this material conforms to its chemical description and is reasonably fit for the purposes stated on the label when used in accordance with directions under normal conditions of use and Buyer assumes risk of any use contrary to such directions. Seller makes no other express or implied warranty, including any other express or implied warranty of Fitness or of Merchantability, and no agent of Seller is authorized to do so except in writing and with a specific reference to this warranty. In no event shall Seller’s liability for any breach of warranty exceed the purchase price of the material as to which a claim is made.

Net Weight: 15 Grams Per Tag.

How Supplied

Packages of 20 or 120 tags.

EPA Reg. No. 11556-176

Bayer (reg’d), the Bayer Cross (reg’d) and Patriot™ are trademarks of Bayer.

Bayer HealthCare LLC, Animal Health Division, P.O. Box 390, Shawnee Mission, Kansas 66216, USA


Regulations for product use are established by country. Information contained on this site pertains only to the United States of America, and is not intended to provide adequate information for product use. Before using or dispensing any product, read and carefully observe the label directions.

Distributed by ELANCO US, INC.
Customer Service:   317-276-1262
Technical Service:   800-428-4441
Every effort has been made to ensure the accuracy of the Patriot Defense System Insecticide Cattle Ear Tag information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2022 Animalytix LLC. Updated: 2021-11-29