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SYNOVEX® ONE FEEDLOT

Give feedlot steers and heifers up to 200 days of increased weight gain and improved feed efficiency.

SYNOVEX® ONE FEEDLOT

Administering SYNOVEX® ONE FEEDLOT to feedlot steers and heifers is proven to boost gain and enhance feed efficiency for up to 200 days, delivering an exceptional return on investment. Compared with nonimplanted feeder cattle:

  • Steers implanted with SYNOVEX ONE FEEDLOT saw a 15.4% improvement in average daily gain (ADG) and gained 3.45 lb./day.1
  • Feed efficiency in steers improved by 9.8%.1
  • Heifers implanted with SYNOVEX ONE FEEDLOT had a 12% increase in ADG, gained 3.09 lb./day and improved feed efficiency by 7%.1
  • Research has shown SYNOVEX ONE FEEDLOT delivers ADG consistent with the performance of Revalor®-XS.2
  • SYNOVEX ONE FEEDLOT is convenient — it does not require refrigeration before use and is administered with the same SX10 Precision Applicator used with all SYNOVEX formulations. The SX10 applicator features a one-of-a-kind retractable needle for consistent, accurate placement of the implant.
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  • Key Features and Benefits

    Proven Efficacy in Feedlot Steers

    SYNOVEX ONE FEEDLOT has undergone several trials to demonstrate its long-active efficacy in feedlot steers. Steers implanted see:

    • Consistent daily weight gain1 — ADG over 161- and 200-day feeding periods was comparable for steers administered SYNOVEX ONE FEEDLOT, REVALOR-XS and SYNOVEX PLUS®.
    • Demonstrated feed efficiency1 — Gain efficiency (G:F) and feed efficiency (F:G) over 161- and 200-day feeding periods was similar for steers administered SYNOVEX ONE FEEDLOT, REVALOR-XS and SYNOVEX PLUS.3

    An extended-duration formulation tailored to feedlot steers and heifers

    • Delivers the proven 10:1 ratio of TBA:E2 (200 mg of testosterone, 28 mg of estradiol benzoate equivalent to 20 mg of E2) with a patented polymer barrier that extends the formulation payout up to 200 days3
    • A single implant for steers and heifers and one implant device helps improve operational efficiencies
    • Reduce labor and stress associated with re-implanting

    A flexible and convenient implant

    • Administered with the SX10 — like all SYNOVEX implants — featuring an exclusive retractable needle for consistent, accurate placement†
    • Can be stored at room temperature until the package is opened

    Part of a broad portfolio of implants for every production stage

    • SYNOVEX ONE GRASS — An extended-duration (up to 200 days) implant for stocker steers and heifers
    • SYNOVEX C — An implant for suckling calves 45 days or older, up to 400 lb.
    • SYNOVEX S — An implant for steers weighing more than 400 lb.
    • SYNOVEX H®— An implant for heifers weighing 400 lb. or more
    • SYNOVEX CHOICE® — The most versatile potency implant for feedlot steers and heifers
    • SYNOVEX PLUS — The most potent implant available for feedlot steers and heifers

    Backed by the service and support you trust from Zoetis:

    • The Implant Quality (IQ) program includes training and tools to maximize implant investment
    • The Zoetis Technical Services Team includes beef cattle nutritionists, veterinarians and meat scientists
    • Your local Zoetis representative can help determine how to incorporate SYNOVEX ONE FEEDLOT into your feedlot operation

    †All SYNOVEX formulations are compatible with both the SX10 and metal revolver applicators.

  • Label Indications and Directions for Use

    SYNOVEX ONE FEEDLOT is approved for increased rate of weight gain and improved feed efficiency for up to 200 days in steers and heifers fed in confinement for slaughter.

    One implant (eight pellets) is administered to each steer or heifer by subcutaneous implantation in the middle one-third of the ear.

    Do not use in veal calves.

    Click to view label

  • Administration With the SX10 Precision Applicator
    SX10 Precision Applicator

    SYNOVEX ONE FEEDLOT is easy to administer with the SX10 Precision Applicator, which features a one-of-a-kind retractable needle for consistent, accurate placement of the implant.† The SX10 is used for all SYNOVEX implants — no need for multiple applicators for different implant potencies. The retractable needle prevents crushed, bunched or dropped implants, helping producers get the most from their implant investment.

    To administer SYNOVEX ONE FEEDLOT with the SX10 applicator, follow the instructions included with the applicator for loading the implant clip, cocking the applicator, disinfecting and cleaning, replacing the needle, and removing the implant clip.

    English and Spanish training videos are conveniently available online to help educate feedlot employees on implanting techniques, sanitation and use of the SX10 applicator.

    †All SYNOVEX formulations are compatible with both the SX10 and metal revolver applicators.

  • Implant Quality (IQ) Program

    The Implant Quality (IQ) program from Zoetis helps you get the most out of your SYNOVEX ONE FEEDLOT implant. It provides:

    • Establishment of implanting goals
    • Development of a customized quality assurance (QA) program to fit the operation’s goals
    • Training of crew members in correct sanitation and implanting techniques
    • Monitoring and analysis of results

    The program includes several useful tools:

    • Sanitation gear, including a disinfecting tray, sponge and ear brush, to help clean the ear prior to implanting
    • Service reports to assess implanting techniques of the processing crew and to check animals for implant retention three to four weeks later (available in paper or electronic formats)
    • Certificates of completion for all members of the processing crew

    Ask your local Zoetis representative how to get started with the IQ program.

  • References

    1 Cleale RM, Bechtol DT, Drouillard JS, et al. Synovex Plus implants coated with a polymeric, porous film improve performance of beef steers and heifers fed in confinement for up to 200 days. J Anim Sci. 2012;90(13):5056-5066.

    2 McLaughlin CL, Bechtol DT, Lawrence TE, et al. Comparison of the effects of long-acting Synovex One with Revalor-XS and Synovex Plus on growth performance and carcass quality in steers. Prof Anim Sci. 2013;29(2):147-156.

    3 Herschler RC, Olmsted AW, Edwards AJ, et al. Production responses to various doses and ratios of estradiol benzoate and trenbolone acetate implants in steers and heifers. J Anim Sci. 1995;73(10):2873-2881.

  • Legal

    All trademarks are the property of Zoetis Services LLC or a related company or a licensor unless otherwise noted. 
    Revalor® is a registered trademark of Merck Animal Health.
    Zoetis Services LLC. All rights reserved. SYN-00097

IMPORTANT SAFETY INFORMATION: Do not use SYNOVEX products in veal calves. Not for use in dairy or beef replacement heifers. Refer to label for complete directions for use, precautions, and warnings.

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