Equivac Strangles

20 x 1 mL syringes.

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  • Equivac S is used in the control of strangles due to Streptococcus equi subspecies equi in horses.
  • Equivac S is one of a range of Equivac products available for tetanus and strangles treatment and control.

Pack sizes:

  • 20 x 1 mL syringes.
  • Equivac S provides a means of vaccinating for strangles alone, where simultaneous vaccination for tetanus is not required, for example:
    1. During the primary vaccination program, the first dose may be Equivac 2 in 1, the second dose may be Equivac S and the third dose may be Equivac 2 in 1, where the interval between each dose is not less than 2 weeks.
    2. In an optimal vaccination booster program for strangles involving boosters given every 6 months, Equivac 2 in 1 could be administered annually with Equivac S being administered mid-way between annual Equivac 2 in 1 doses.
  • Dosage:

    • See product leaflet for full instructions.
    • 1 mL injected intra-muscularly.
    • For primary immunisation of horses against strangles, horses 3 months of age or older should be given 3 doses of vaccine at intervals no less than 2 weeks apart. For ongoing immunisation, booster doses should be given annually, or every 6 months for horses at higher risk of exposure. Equivac® 2 in 1 may be used for strangles vaccination where tetanus inclusion is also required.
    • The product leaflet should be consulted for guidance as to the use of strangles vaccine in the event of an outbreak.
    • It is recommended that strangles vaccination be a component of a herd-health biosecurity-focussed management program for the prevention and control of strangles in horses.


    Store between 2°C and 8°C. (Refrigerate. Do not freeze). Protect from light.












12 weeks




Equivac® 2 in 1 or Equivac® S




14 weeks (2 weeks later)




Equivac® 2 in 1 or Equivac® S




16 weeks (2 weeks later)




Equivac® 2 in 1 or Equivac® S


Annual booster vaccinations


16 months (12 months later)




Equivac® 2 in 1


Ongoing protection






Equivac® 2 in 1 or Equivac® S




Every 5 years




Equivac® T


*When commencing a vaccination program on an adult horse or horses with an unknown vaccination record, use the same vaccination program of three initial doses two weeks apart, followed by an annual booster dose.
^6-monthly boosters should be considered in high risk situations.


Additional Information


  • Store 2°-8°C (refrigerate)

  • Equivac® S Strangles Vaccine is of value only in the control of infection due to Streptococcus equi. (For control only: no value in the treatment of strangles).

  • Pregnant mares may be vaccinated up to 2 weeks before foaling.

  • By maintaining a regular vaccination program animals will retain a high level of circulating antibodies that will reduce the likelihood of a strangles outbreak occurring.

  • Vaccination against strangles should be included as a part of every horse's vaccination program.



Brand Equivac
Shipping Weight 0.0400kg
Unit Of Measure ea

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