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Nobilis® IB 4-91 lyophilisate for oculonasal suspension/use in drinking water for chickens
Nobilis IB 4-91 is a live, attenuated avian Infectious Bronchitis Virus (IBV) variant strain 4-91 vaccine. Approved for use in rearing period and also approved for layers and breeders during lay.
Presentation
Lyophilisate for oculonasal suspension/use in drinking water.
Cups: off-white, predominantly sphere shaped
Active ingredients
Each dose contains IB virus strain 4-91 ≥3.6 log10 EID50*
*EID50 = 50 % Embryo Infective Dose: the titre required to infect 50 % of the embryos inoculated with the virus.
Target species
Chickens
Indications for use
Active immunisation of chickens to reduce the respiratory signs of infectious bronchitis caused by the variant strain IB 4-91.
Withdrawal periods
0 days
Packaging
Sealed aluminium laminate cup and foil lid containing 1,000, 5,000 or 10,000 doses. PET plastic box with 12 cups of 1,000 doses, 12 cups of 5,000 doses or 12 cups of 10,000 doses.
Legal category
POM-V
Further information is available from the SPC, datasheet or package leaflet.
Advice should be sought from the medicine prescriber.
Prescription decisions are for the person issuing the prescription alone.
Use Medicines Responsibly.
Product images are representations of packaging and may not accurately reflect the current packaging available in the GB marketplace.
Date of preparation: November 2025
