DocumentClosedpublication
Onderstepoort Biological Products Limited publication
Onderstepoort Biological Products LimitedRef: https://www.obpvaccines.co.za/web/wp-content/uploads/2026/07/Immunization-schedule-HORSES.pdf
Official source
Source domain: obpvaccines.co.za
Collected on 17 July 2026
Always confirm details on the official source before acting.
What this means
This document is an immunisation schedule for horses. It specifies essential vaccines (African horse sickness and tetanus), the dose and route, and when to administer them for foals from susceptible mares, foals from immune mares (including in high-risk areas and again in spring), and pregnant mares. It also states that tetanus is given at 5 months for foals from susceptible mares and at 12 months and then annually, while African horse sickness is given at set ages and annually during spring (Aug–Sept).
Facts
Reference
https://www.obpvaccines.co.za/web/wp-content/uploads/2026/07/Immunization-schedule-HORSES.pdf
Key Takeaways
- Subject: Immunisation for horses
- Vaccine: African horse sickness — dose 2 mℓ — route subcutaneously
- Vaccine: Tetanus — dose 1 mℓ — route intramuscularly
- Foals from susceptible mares: African horse sickness at 1 month (2 mℓ subcutaneously)
- Foals from susceptible mares: Tetanus at 5 months (1 mℓ intramuscularly)
- Foals from immune mares: African horse sickness at 5–6 months in high-risk areas (2 mℓ subcutaneously)
- Foals from immune mares: African horse sickness again in spring (Aug–Spring) (2 mℓ subcutaneously)
- Annual African horse sickness during spring (Aug–Sept)
- Pregnant mares: African horse sickness 6 weeks before foaling (2 mℓ subcutaneously)
- Tetanus for foals: 12 months of age then annually (1 mℓ intramuscularly)