Broodmare vaccinations

brood mare vaccinations

Vaccinating broodmares during pregnancy has two ultimate goals, protecting the mare from abortion and protecting the foal from diseases once born.

Equine Herpes Virus

  • Protects from abortion from infection with EHV-1.
  • Course of 3 intramuscular injections given during the 5th, 7th and 9th months of pregnancy.
  • Needs repeated every pregnancy.


  • If the mare is previously vaccinated one intramuscular injection given 4 weeks out from due date.
  • If not vaccinated give a course of 2 shots, 8 weeks and 4 weeks out from due date.
  • Prevents the foal from getting tetanus in the first month of life and also protects the mare around the time of foaling.
  • An antitoxin does not need to be given at birth if the mare is vaccinated.


  • Two doses given 4 weeks apart by intramuscular injection with the last dose given 6 weeks before due date.
  • Annual booster at 6 weeks before due date.
  • Protects foals from salmonella through antibodies in the milk.


  • Course of 3 intramuscular injections 2 weeks apart with an annual booster.
  • Protects the mare from getting strangles when going into a large herd situation such as going to stud to foal down.

For any further questions or to book your mare in to be vaccinated please phone the clinic.

- Megan Reidie


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