SYNOVEX Primer®
(trenbolone acetate and estradiol benzoate implants)
50 mg trenbolone acetate and 7 mg of estradiol benzoate per implant

SUBCUTANEOUS IMPLANTS FOR GROWING BEEF STEERS AND HEIFERS ON PASTURE AND IN A DRY LOT

SYNOVEX® PRIMER™ (trenbolone acetate and estradiol benzoate implants) is a growth promoting implant containing 50 mg of trenbolone acetate and 7 mg of estradiol benzoate per implant. Each implant consists of 2 pellets. Ten implants are provided in each cartridge.

No withdrawal period is required when used according to labeling.

Do not use in beef calves less than 2 months of age, dairy calves, and veal calves. A withdrawal period has not been established for this product in pre-ruminating calves.

Do not use in dairy cows or in animals intended for subsequent breeding. Use in these cattle may cause drug residues in milk and/or in calves born to these cows.

Implant pellets subcutaneously in ear only. Any other location is a violation of Federal law. Do not attempt salvage of implanted site for human or animal food.

Not for use in humans. Keep out of reach of children.

Bulling has occasionally been reported in implanted steers and heifers. Vaginal and rectal prolapse, udder development, ventral edema and elevated tailheads have occasionally been reported in heifers administered SYNOVEX® PRIMER™ implants.

Administer one SYNOVEX® PRIMER™ implant (two pellets), containing 50 mg of trenbolone acetate and 7 mg of estradiol benzoate, to each steer or heifer by subcutaneous implantation in the middle-third of the ear.

Use only a SYNOVEX applicator. Approved implantation technique is fully described in the fold-out carton section. Never sacrifice careful, clean technique for speed of implantation.

Store unopened product at controlled room temperature 20°-25°C (68°-77°F) with excursions between 15°-30°C (59°-86°F). Avoid excessive heat and humidity. Use product before the expiration date on the label.

Once the pouch is opened, unused product may be stored in the end-folded pouch (away from light) for up to six months under refrigerated conditions 2°-8°C (36°-47°F) or at room temperature 20°-25°C (68°-77°F) with excursions between 15°-30°C (59°-86°F) for up to one month.

SYNOVEX® PRIMER™ waste materials should be disposed of according to prescribed Federal, State, and Local guidelines.

• For increased rate of weight gain in growing beef steers and heifers on pasture (stocker, feeder, and slaughter).
• For increased rate of weight gain in growing beef steers and heifers in a dry lot.1
• This implant is not approved for repeated implantation (reimplantation) with this or any other cattle ear implant
in growing beef steers and heifers on pasture or in a dry lot as safety and effectiveness have not been evaluated.

Do not use in beef calves less than 2 months of age, dairy calves, and veal calves because effectiveness and safety have not been established.

Do not use in animals intended for subsequent breeding, or in dairy cows.

1CVM Appendix III of GFI 191, August 27, 2020, https://www.fda.gov/animal-veterinary/new-animal-drugapplications/
classes-major-food-producing-animals-newanimal-drug-applications#beef

For a copy of the Safety Data Sheet or to report side effects, contact Zoetis Inc. at 1-888-963-8471. For additional information about reporting side effects for animal drugs, contact FDA at 1-888-FDA-VETS or http://www.fda.gov/reportanimalae.

Manufactured By A Non-Sterilizing Process

Restricted Drug (California)—Use Only As Directed.

Read ALL sides of carton

Approved by FDA under NADA # 141-043

NET CONTENTS: 10 CARTRIDGES
Each Cartridge Contains 10 implants (100 implants total)

zoetis

Distributed by:
Zoetis Inc.
Kalamazoo, MI 49007

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