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Rabon 97.3 Oral Larvicide

This page contains information on Rabon 97.3 Oral Larvicide for veterinary use.
The information provided typically includes the following:
  • Rabon 97.3 Oral Larvicide Indications
  • Warnings and cautions for Rabon 97.3 Oral Larvicide
  • Direction and dosage information for Rabon 97.3 Oral Larvicide

Rabon 97.3 Oral Larvicide

This treatment applies to the following species:
Company: Bayer Animal Health


To prevent the development of Horn Flies, Face Flies, House Flies and Stable Flies in the manure of treated Cattle

Active Ingredient

Tetrachlorvinphos (CAS No. 22248-79-9)






*RABON Technical - 442 grams per pound

EPA Reg. No. 11556-159

EPA Est. No. 089287-KS-002

Keep Out of Reach of Children

Rabon 97.3 Oral Larvicide Caution


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 give anything by mouth to an unconscious person.

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

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 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 inhaled

● Move person to fresh air.

● If person is not breathing, call 911 or an ambulance, then give artificial respiration, preferably mouth to mouth, if possible.

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


Contains an organophosphate that inhibits cholinesterase.

Have the product container or label with you when calling a poison control center or doctor, or going for treatment. You may also contact 1-800-422-9874 for emergency medical treatment.


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.


Spill, leak, fire, exposure, or accident call CHEMTREC 1-800-424-9300.

Precautionary Statements

Hazards to Humans and Domestic Animals

Rabon 97.3 Oral Larvicide Caution

Harmful if swallowed or absorbed through skin or inhaled. Do Not inhale dust. Causes moderate eye irritation. Avoid contact with eyes, skin or clothing. Prolonged or frequently repeated skin contact may cause allergic reaction to some individuals. Wash thoroughly with soap and water after handling.

Personal Protective Equipment (ppe)

Mixers and handlers must wear:

● Long-sleeved shirt and long pants

● Chemical-resistant gloves made of any waterproof material

● Shoes plus socks

● Protective eyewear

● Chemical-resistant apron when cleaning equipment, mixing or loading

User Safety Requirements

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


Users should: Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet. Remove clothing immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing. 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 fish. Do not discharge effluent containing this product into lakes, streams, ponds, estuaries, oceans, or other waters unless in accordance with the requirements of a National Pollutant Discharge Elimination System (NPDES) permit and the permitting authority has been notified in writing prior to the discharge. Do not discharge effluent containing this product into sewer systems without previously notifying the local sewage treatment plant authority. For guidance contact your State Water Board or the Regional Office of the EPA. Do not contaminate water when cleaning equipment or when disposing of equipment wash waters.

Directions For Use

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

Read the entire label prior to use.

This product is a specially prepared granulated material designed for use in cattle feeds. RABON 97.3 Oral Larvicide prevents the development of fly larvae in the manure of treated cattle. When used as directed, it will aid in the control of horn flies, face flies, house flies and stable flies which develop in cattle manure.

This product can be used in complete feeds, concentrates, protein supplements, mineral supplements or liquid feed supplements provided recommended guidelines are followed. Rabon larvicidal rations may be fed to breeding cattle, lactating dairy cattle, or growing finishing cattle, either in dry lot or pasture. See “RABON 97.3 Oral Larvicide Supplemental Mixing & Use Instructions” for complete directions prior to use.

Use Restrictions

Do not use this product simultaneously or within a week before or after treatment with cholinesterase inhibiting drugs, pesticides or chemicals.

Application Restrictions

Only protected handlers may be in the area during mixing and application. Feeds prepared using this product should not be pelleted unless tests are conducted to assure adequate RABON levels after pelleting. Do not mix this product with feeds containing predominately pellets due to particle size differences and potential segregation.


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

PESTICIDE STORAGE: Store product in its original container in a cool, dry place in an area that is inaccessible to children and animals.

PESTICIDE DISPOSAL: Wastes resulting from the use of this product may be disposed of on site in accordance with label directions or at an approved waste disposal facility. Open dumping is prohibited.

CONTAINER DISPOSAL: Nonrefillable container. Do not refill or reuse empty liner. Completely empty liner by shaking and tapping sides and bottom to loosen clinging/remaining particles into application equipment. Dispose of empty liner in a sanitary landfill, or incinerate, or by other procedures approved by state and local authorities. If drum is contaminated and cannot be reused, dispose of in the same manner.

Conditions Of Sale

The directions on this label were determined through research to be appropriate for the correct use of this product. This product has been tested under different environmental conditions both indoors and outdoors similar to those that are ordinary and customary where the product is to be used. Insufficient control of pests or plant injury may result from the occurrence of extraordinary or unusual conditions, or from failure to follow label directions. In addition, failure to follow label directions may cause injury to animals, man, and damage to the environment. To the extent permitted by applicable law, Bayer offers, and the buyer accepts and uses, this product subject to the conditions that extraordinary or unusual environmental conditions, or failure to follow label directions are beyond the control of Bayer and are, therefore, the responsibility of the buyer.

Limited Warranty And Limitation Of Damages

Bayer HealthCare LLC, Animal Health Division, warrants that this material conforms to the chemical description on the label. TO THE EXTENT CONSISTENT WITH APPLICABLE LAW, BAYER MAKES NO OTHER EXPRESS OR IMPLIED WARRANTY, INCLUDING ANY OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS OR MERCHANTABILITY, and no agent of Bayer is authorized to do so except in writing with a specific reference to this warranty. To the extent consistent with applicable law any damages arising from a breach of this warranty shall be limited to direct damages and shall not include consequential commercial damages such as loss of profits or values, etc.

Net Weight: 100 lbs (45.4 kg)

Bayer HealthCare LLC, Animal Health Division, P.O. Box 390, Shawnee Mission, Kansas 66201, U.S.A.

Product of China

Bayer and the Bayer Cross are registered trademarks of Bayer.

Rabon is a trademark of Bayer.

80776632, R.2

©2013 Bayer HealthCare LLC


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.

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Customer Service:   317-276-1262
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Copyright © 2023 Animalytix LLC. Updated: 2023-02-28