Bluetongue serotype 3 (BTV-3) vaccination
Information on BTV-3 vaccines for keepers and vets, including rules for reporting vaccinations and keeping records.
You must report your use of the BTV-3 vaccine. It is against the law to use the vaccine without reporting it.
There are 3Ìýbluetongue serotype (BTV-3)Ìývaccines authorised for use in the UK:
- Bluevac-3
- µþ±«³¢°Õ´¡³Õ°¿Ìý3
- Syvazul BTV 3
Guidance for keepersÌý
Deciding whether to vaccinateÌý
Work with your vet to determine ifÌýbluetongueÌý vaccination is right for your animals. Ìý
You can also check the  for more information onÌýdeciding whether to vaccinate your animals.Ìý
Administering vaccines
AÌývet must prescribe BTV-3 vaccines.
As the animal keeper, you can administer the vaccine to your animals.
You shouldÌýuse safe practice, based on the code of practice on the responsible use of animal medicines on the farm. Ìý
Reporting vaccinations and keeping records
In England, Wales and Scotland you must:  Ìý
- keep a record of every animal you vaccinate – the information you need to record isÌýon theÌýgeneral licenceÌýfor England, or
- keep these records for at least 5 years Ìý
- report vaccinations within 48 hours – providing details including the individual animal IDs and vaccine you use
In Northern Ireland you must:
- within 5 working days of vaccinating
Guidance for vets
The UK, Wales, Scotland and Northern Ireland Chief Veterinary Officers ask all vets to record BTV-3 vaccine use and inform relevant authorities of any adverse effects.Ìý
Veterinarians should read the relevant advisory note for their country before prescribing any BTV-3 v²¹³¦³¦¾±²Ô±ð.
Read the:
Vets in England, Scotland and Wales should notify Defra within 7 days of prescribing the vaccine using theÌýprescription of theÌýBTV-3Ìývaccine reporting form.
Vets in Northern Ireland shouldÌýÌýand return the completed record to their local DAERA Direct Office.
Market authorisationÌý
Marketing authorisations for BTV-3 vaccinesÌý(Bluevac-3, µþ±«³¢°Õ´¡³Õ°¿Ìý3 and Syvazul)Ìýhave been granted for use in Great Britain and Northern Ireland.
Transition period for unauthorised vaccines
Unauthorised vaccines that were imported under permit before October 2025 into Great Britain (31 December 2025 for Northern Ireland) can continue to be used, providing:
a)Ìýthe licenceÌýor declarationÌýconditions are metÌý
b)ÌýtheÌývaccine has not exceededÌýitsÌýexpiry dateÌý
c)ÌýtheÌývaccine wasÌýpurchasedÌýon the Great BritainÌýorÌýNorthern Ireland markets
Bluevac-3 suspension for injection for sheep and cattle
The marketing authorisation for the Bluevac-3 vaccine is held by CZ Veterinaria S.A. ItÌýhas marketing authorisations for use in Great Britain and Northern Ireland.ÌýÌý
This vaccineÌýisÌýfor the active immunisation of:Ìý
- sheep - to reduce the viraemia, mortality and clinical signs caused by the serotype 3 of the bluetongue virusÌý
- cattle - to reduce the viraemia against the serotype 3 of the bluetongue virus
Find the summary of product characteristics (SPC) for the authorised Bluevac-3 product:
- forÌýGreat BritainÌý-Ìýon the VMD’s Product Information Database (PID)
- for Northern IrelandÌý-Ìýon the 
Find information on unauthorisedÌýBluevac-3Ìývaccine that was imported under permit before October 2025 into Great Britain (31 December 2025 for Northern Ireland):
- summary of product characteristics for Bluevac-3 BTV-3 vaccine in the UKÌý
- permit for use of Bluevac-3 bluetongue serotype 3 vaccine in the UK
µþ±«³¢°Õ´¡³Õ°¿Ìý3 suspension for injection for sheep and cattle
The marketing authorisation for the µþ±«³¢°Õ´¡³Õ°¿Ìý3 vaccine is held by Boehringer Ingelheim Animal Health UK Limited.ÌýIt has marketing authorisations for use in Great Britain and Northern Ireland.
This vaccine is for the active immunisation of:Ìý
- sheep - to reduce viraemia and to prevent clinical signs caused by BTV-3Ìý
- cattle - to prevent viraemia and to prevent clinical signs caused by BTV-3Ìý
Find the summary of product characteristics (SPC) for the authorised µþ±«³¢°Õ´¡³Õ°¿Ìý3 product on the VMD’s Product Information Database (PID).Ìý
Find information on unauthorisedÌýBULTAVO 3Ìývaccine that was imported under permit before October 2025 into Great Britain (31 December 2025 for Northern Ireland):Ìý
- summary of product characteristics forÌýµþ±«³¢°Õ´¡³Õ°¿Ìý3  vaccine in the UKÌý
- permit for use of µþ±«³¢°Õ´¡³Õ°¿Ìý3  vaccine vaccine in the UK
Syvazul - BTV 3 suspension for injection for sheep and cattle
The marketing authorisation for the Syvazul vaccine is held by Laboratorios SYVA S.A.U.ÌýItÌýhas marketing authorisations for use in Great Britain and Northern Ireland.
This vaccine is for the active immunisation of:Ìý
- sheep - to reduce viraemia, mortality, clinical signs and lesions caused by bluetongue serotype 3Ìý
- cattle - to reduce viraemia caused by bluetongue virus serotype 3
Find the summary of product characteristics (SPC) for theÌýauthorisedÌýSyvazulÌýBTV 3 product:Ìý
- for Great Britain -ÌýÌýon the VMD’s Product Information DatabaseÌý
- for Northern Ireland -Ìýon the 
Find information on unauthorisedÌýSyvazulÌýBTV 3Ìývaccine that was imported under permit before October 2025 into Great Britain (31 December 2025 for Northern Ireland):
- summary of product characteristics forÌýSyvazulÌýBTV 3 vaccine in the UK Ìý
- permit for use ofÌýSyvazulÌýBTV 3 bluetongue serotype 3 vaccine in the UK
Bluetongue testing
You should not test vaccinated animalsÌýwithinÌý7 days ofÌývaccination. AnyÌýsample takenÌýless than 7 daysÌýafter vaccinationÌýcould lead to false positive results.
Read more about bluetongue testing.
Updates to this page
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We've moved some guidance from other °Ç¸ç³Ô¹Ï pages onto this page.
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You can use these vaccines in Northern Ireland: updated guidance to include the rules you must follow.
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Information has been updated about the transition period for permitted vaccines. Unauthorised BTV-3 vaccines permitted for use subject to licence or declaration can be imported in Northern Ireland under a permit until 31 December 2025. They can continue to be used under permit until they reach their expiry date, as long as they were purchased on the Great Britain and Northern Ireland markets.
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First published.