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SYNOVEX S Implants 100 ds

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

SYNOVEX S Implant is designed to trigger growth, increase weight accumulation, and sharpen feed effectivity in beef steers of 400 lbs and up. Individual doses combine a mixture of growth stimulants, composed of 200mg of testosterone propionate and 20 mg estradiol benzoate. 

What is SYNOVEX S Implants 100 ds?

Synovex S is an anabolic steroid used to increase the rate of weight gain and improve feed efficiency in Steers. Synovex S growth promoting implant for steers weighing 400 lbs or more lasts up to 70 days.

Who is SYNOVEX S Implants 100 ds for?

For use in beef steer.

Why use SYNOVEX S Implants 100 ds?

This product is used to increase weight and heighten feed effectivity. The SX-10 gun is equipped with a retractable needle for precise implant placement. It is intended for stockers and feedlot cattle. There is no slaughter withholding period. Simple and safe administration.

How does SYNOVEX S Implants 100 ds work?

Synovex S implants use the steroid hormones testosterone propionate and estradiol benzoate to increase the accumulation of weight in steers, as well as to increase the efficiency of gains during feeding intervals.



Active ingredient(s):

200 mg Progesterone
20 mg Estradiol benzoate.

How is SYNOVEX S Implants 100 ds sold?

Available in 100-dose (10 cartridge) packaging

What are the side effects of SYNOVEX S Implants 100 ds?

Calves given Synovex S can result in the following side effects:
  • Bulling
  • Rectal and vaginal prolapse
  • Udder development
  • Ventral edema
  • Elevated tailheads

What special precautions are there?

Not for use in humans. For animal use only. Implant pellets in the ear only. Any other location is in violation of federal law. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.

What to do if overdose?

Contact your closest emergency pet hospital.

How can I store SYNOVEX S Implants 100 ds?

Store in a dry and cool environment. Between temperatures of 59° to 86°F (15° to 30°C) Avoid extreme heat.

Helpful Tips:

Synovex S can serve as a re-implant replacing a primary Synovex C or Synovex S implant within roughly seventy days.


Subcutaneously implant the complete contents of one cartridge cell (8 pellets) per steer in the middle one-third of the ear at each implanting.  Approved implantation technique is fully described in the package insert.  For additional improvement in rate of weight gain in steers fed in confinement for slaughter, reimplant at approximately 70 days after initial use of Synovex C or Synovex S.

Main Ingredients

200 mg Progesterone, 20 mg Estradiol benzoate.

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SYNOVEX S Implants 100 ds

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