Herd of feedlot cattle

A broad range of implants for added flexibility

A strategic implant program can help increase the rate of weight gain and improve feed efficiency
in feedlot steers or heifers.

Click the buttons below or scroll down to see our implants approved for use in feedlot steers and heifers.

Talk to your veterinarian about customizing your implant strategy to optimize your feedlot cattle’s growth at every phase. 

NOTE: Do not use in calves to be processed for veal. Do not use in dairy cattle. Do not use in animals intended for subsequent breeding. Implant pellets in the ear only, any other location may result in violation of law. Do not attempt to salvage implant site for human or animal food. Keep out of reach of children.

Implants approved for use in

FEEDLOT STEERS

Zeranol Implants

Ralgro®

• Designed for use as a first implant for young beef calves.

• Each implant contains 36 mg of zeranol.

• Suggested 40 to 70-day reimplantation window.

• Not to be used in calves to be processed for veal or in dairy cattle.

Raglro® cattle implants product packaging

Low dose combination trenbolone acetate and estradiol implants

Revalor® -G

• Designed to increase the rate of weight gain in steers on lower-energy rations such as those used in backgrounding operations. 

• Each implant contains 40 mg of trenblone acetate and 8 mg of estradiol.

• Can be used as an initial implant in a feedlot finishing program for steers.

• Suggested 60 to 90-day reimplantation window for steers fed in confinement.

Revalor®-G cattle implants product packaging

Moderate dose combination trenbolone acetate and estradiol implants

Revalor® -100

• Can be used in reimplantation programs for long-fed steers.

• Each implant contains 100 mg of trenblone acetate and 10 mg of estradiol.

• Suggested 50 to 90-day reimplantation window.

Revalor®-100 cattle implants product packaging

Revalor® -S

• Each implant contains 120 mg of trenblone acetate and 24 mg of estradiol.

• Suggested 70 to 120-day reimplantation window.

• The first combination trenbolone acetate and estradiol growth-promoting implant approved in Canada for use in feedlot steers.

Revalor®-S cattle implants product packaging

High dose combination trenbolone acetate and estradiol implants

Revalor® -200

• Designed to increase the rate of weight gain and improve feed efficiency in steers on higher energy rations.

• Each implant contains 200 mg of trenblone acetate and 20 mg of estradiol.

• Longest maximum duration of all the immediate-release Revalor® products (140 days).

Revalor®-200 cattle implants product packaging

Delayed and extended release implants

Revalor® -XS

•The first delayed and extended release implant for feedlot steers approved for use in Canada.

• Each implant contains 200 mg of trenblone acetate and 40 mg of estradiol.

• Increase rate of weight gain and improve feed efficiency for up to 200 days after implantation.

• Contains both coated and uncoated pellets.

-Uncoated pellets work immediately after implanting for the first 70 days.

-Coated pellets delay their release until 70 days after implantation and extend the release for up to 200 days.

Revalor®-XS cattle implants product packaging

Revalor® -XR

• Each implant contains 200 mg of trenblone acetate and 20 mg of estradiol.

• Formulated to provide the benefits of
a terminal implant without the hassle of rehandling cattle.

• Increased growth and improved feed efficiency from days 70 to 200 after implantation.

Revalor®-XR cattle implants product packaging

Implants approved for use in

FEEDLOT HEIFERS

Zeranol Implants

Ralgro®

• Contains 36mg of zeranol.

• Designed for use as a first implant for young beef calves.

• Not to be used in calves to be processed for veal or in dairy cattle.

Ralgro® product packaging

Moderate dose combination trenbolone acetate and estradiol implants

Revalor® -100

• Can be used in reimplantation programs for long-fed heifers.

• Each implant contains 100 mg of trenblone acetate and 10 mg of estradiol.

• Suggested 50 to 90-day reimplantation window.

Revalor®-100 product packaging

Revalor® -H

• Can be used in reimplantation programs for long-fed heifers.

• Each implant contains 140 mg of trenblone acetate and 14 mg of estradiol.

• Suggested 70 to 120-day reimplantation window.

Revalor®-H cattle implants product packaging

High dose combination trenbolone acetate and estradiol implants

Revalor® -200

• Designed to increase the rate of weight gain and improve feed efficiency in heifers on higher energy rations.

• Each implant contains 200 mg of trenblone acetate and 20 mg of estradiol.

• Longest maximum duration of all the immediate-release Revalor® products (140 days).

Revalor®-200 product packaging

Delayed and extended release implants

Revalor® -XH

• The first delayed and extended release implant for feedlot heifers approved for use in Canada.

• Each implant contains 200 mg of trenblone acetate and 20 mg of estradiol.

• Increase rate of weight gain and improve feed efficiency for up to 200 days after implantation.

• Contains both coated and uncoated pellets.

-Uncoated pellets work immediately after implanting for the first 70 days.

-Coated pellets delay their release until 70 days after implantation and extend the release for up to 200 days. growth and improved feed efficiency from days 70-200 after implantation.

Revalor®-XH cattle implants product packaging

Revalor® XR

• Each implant contains 200 mg of trenblone acetate and 20 mg of estradiol.

• Formulated to provide the benefits of
a terminal implant without the hassle of rehandling cattle.

• Increased growth and improved feed efficiency from days 70 to 200 after implantation.

Revalor®-XR product packaging

RALGRO® is a registered trademark of Intervet Inc.; REVALOR® is a registered trademark of Intervet International B.V. All trademarks used under license.