Zoetis Inc.

Synovex H testosterone propionate and estradiol benzoate TESTOSTERONE PROPIONATE TESTOSTERONE ESTRADIOL BENZOATE ESTRADIOL

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® H implants.


· For increased rate of weight gain and improved feed efficiency in growing beef heifers fed in confinement for slaughter.
· Other than as described on the labeling, this implant is not approved for repeated implantation (reimplantation) with any other cattle ear implant in growing beef heifers fed in confinement for slaughter 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 evaluated.
Do not use in animals intended for subsequent breeding, or in dairy cows.

Implant complete contents of one cartridge cell per heifer. Approved implantation technique is fully described in the package insert. NOTE: Never sacrifice careful, clean technique for speed of implantation. Instructions graphic part 1 Instructions graphic part 2 Instructions graphic part 3

Implant complete contents of one cartridge cell per heifer. Approved implantation technique is fully described in the package insert.

NOTE: Never sacrifice careful, clean technique for speed of implantation.

Store at controlled room temperature 20°-25°C (68°-77°F) with excursions between 15°-30°C (59°-86°F). Avoid excessive heat or humidity.

100 Dose

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.


40039999 carton label