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SYNOVEX C Implants 100 ds

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

SYNOVEX C Implant is designed to trigger growth, increase weight accumulation, and sharpen feed effectivity in suckling beef calves of 400 lbs or less.Individual doses combine a mixture of growth stimulants, comprised of 100mg of testosterone propionate and 10 mg estradiol benzoate. Synovex S should be integrated within 70 days following removal of Synovex C. 

*This item can't be shipped to California. 

What is SYNOVEX C Implants 100 ds?

Synovex C is an anabolic steroid used to increase the rate of weight gain and improve feed efficiency in heifers. Synovex C is a growth implant that keeps calves growing faster and gaining more all the way to weaning. It may be used on both steers and replacement heifers. 45 days of age to 400 lbs.

Who is SYNOVEX C Implants 100 ds for?

Beef calves of 45 days of age and up.

Why use SYNOVEX C Implants 100 ds?

This product is used to increase weight and heighten feed effectivity. It is intended for steers and heifers. There is no slaughter withholding period. Simple and safe administration.

How does SYNOVEX C Implants 100 ds work?

Synovex C 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):

100 mg progesterone
10 mg estradiol benzoate.

How is SYNOVEX C Implants 100 ds sold?

10 x 10 Cartridges 100 Doses . Each dosage consists of 4 pellets containing 100 mg progesterone and 10 mg estradiol benzoate per implantation.

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

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

What special precautions are there?

Do not administer in humans. Applicable only in animals. Be sure to only plant pellets in the ear—alternative location will rest in a violation of federal law. A withdrawal interval in pre-ruminating calves has not been determined. Not to be given to calves intended as veal.

What to do if overdose?

Contact your closest emergency pet hospital.

How can I store SYNOVEX C 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 per calf in the middle one-third of the ear at each implanting. Approved implantation technique is fully described in the package insert.  Synovex C is recommended for use in suckling beef calves up to approximately 400 lbs of body weight. Synovex C is also recommended for improvement in rate of weight gain in steers weighing greater than 400 pounds and fed in confinement for slaughter when used as part of a re-implant program in which an initial Synovex C implant is followed at approximately 70 days by Synovex S.

Main Ingredients

100 mg progesterone and 10 mg estradiol

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SYNOVEX C Implants 100 ds

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