VMD Grants Marketing Authorisation For Syvazul® BTV3 In Great Britain
10 months ago 
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Virbac is pleased to announce that Syvazul® BTV 3 has been granted a marketing authorisation in Great Britain for use in cattle and sheep, with a reduced dose in cattle.
‘León, 9 July 2025 – Syva is pleased to announce that Syvazul® BTV 3 has been granted a marketing authorisation (Vm 31592/5006) in GB, allowing its use in cattle and sheep to combat Bluetongue virus serotype 3 (BTV-3). The authorisation, effective from 3 July 2025, is valid indefinitely’.
A major update for cattle: reduced dose
A key breakthrough in this new authorisation is that the dose for cattle has been reduced from 4 ml to 2 ml, improving convenience and aligning with the latest regulatory data.
Indications and administration - cattle
For active immunisation to reduce viraemia caused by BTV-3.
Onset of immunity: 3 weeks after completing the primary vaccination course.
Dosage (intramuscular):
From 2 months of age in naïve animals, or from 3 months if born to immune dams.
Primary vaccination: 2 doses of 2 ml, 3 weeks apart.
Indications and administration - Sheep
For active immunisation to reduce viraemia, mortality, clinical signs and lesions caused by BTV-3. Onset of immunity: 4 weeks after completing the primary vaccination course.
Dosage (subcutaneous):
From 3 months of age.
Primary vaccination: 1 single dose of 2 ml.
Syvazul® BTV 3 is distributed through a partnership with Virbac.
For further information, please get in touch with the Virbac technical team at [email protected] or speak to your Virbac Territory Manager.
For more information about SYVA : https://syva.es/en/
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