Poulvac IB QX Lyophilisate for Oculonasal Suspension for Chickens
Active ingredient: Infectious bronchitis virus
Form
Lyophilisate
Species
Manufacturer
Zoetis UK Limited
VMD MA No.
42058/5103
What it's used for
Onset of immunity: 3 weeks after vaccination. Duration of immunity: 63 days after vaccination.
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Paying less for Infectious bronchitis virus
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Prescription required
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Poulvac IB QX Lyophilisate for Oculonasal Suspension for Chickens — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.
Duration of immunity: 63 days after vaccination.
vaccination. The vaccine may be administered as early as 1 day of age to future
layers or breeders with MDAs against IBV.
Administration
The veterinary medicinal product can be used in most types of spray equipment. The
equipment should provide coarse spray (droplets greater than 100 μm). The distance
from the spraying head to the bird is dependent upon the type of sprayer used. It is
recommended to consult the instructions from the manufacturer of the spraying
device before use. Resuspension volumes vary based upon the type of spray
equipment as well. The recommended resuspension volume for 1 dose is between
0.15 and 0.5 ml.
Remove the aluminium seal from the vaccine vial. To dissolve the vaccine pellet, the
rubber stopper should be removed whilst the vial is immersed in a plastic measuring
jug containing 1 litre of clean cool water. Half fill the vial with water, replace the
stopper and shake to dissolve any remaining vaccine. The vaccine concentrate
should then be added to the water in the spray tank and thoroughly mixed.
Administer at a rate of one dose of prepared vaccine per bird.
Upon reconstitution, transparent to white opaque suspension (depending on the
volume of diluent used).
AN: 03378/2025Page 2 of 6
Very rare
(< 1 animal / 10,000 animals
treated, including isolated
reports)
respiratory signs
1
Generally mild and last a few days.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to
either the marketing authorisation holder or its local representative or the national
competent authority via the national reporting system. See also section 16 of the
package leaflet for respective contact details.
days after vaccination and appropriate care should be taken to separate vaccinated
from non-vaccinated chickens. Precautionary measures should be taken to prevent
spreading to wildlife.
Cleaning and disinfection of the premises after vaccination is advisable.
This vaccine should only be used after it has been established that the QX-like IBV
variant strain is epidemiologically relevant.
It is important to avoid introduction of the IB QX vaccine virus into premises in which
the wild type strain is not present. The IB QX vaccine should only be applied in
hatcheries if adequate controls are in place to avoid the spread of the vaccine virus
to birds that will be transported to non-IB QX exposed flocks.
The vaccine has been demonstrated to provide protection against QX-like variant.
The protection against other circulating IB strains has not been investigated.
As there is a small range between the efficacious vaccine dose and a non-efficacious
dose, take care to administer the right dose.
Vaccinate healthy animals only.
Special precautions for safe use in the target species:
All chickens on the site should be vaccinated at the same time.
When vaccination is planned in future layers or breeders younger than 7 days, the
parent flock should be vaccinated with an IB vaccine to ensure progeny with MDAs
against IBV.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
Care should be taken when reconstituting and administering the vaccine. Wear a
suitable respiratory mask and eye protection to avoid direct contact with the
aerosolized vaccine. Wash and disinfect hands after use.
Special precautions for the protection of the environment:
Not applicable.
AN: 03378/2025Page 3 of 6
administered by coarse spray after administration of Poulvac IB Primer (where
authorised) from day of age onwards by coarse spray and eyedrop with a 7 to 14 day
interval between both administrations. For the associated use, the onset of immunity
is 21 days after the Poulvac IB QX vaccination for the claimed protection against QX-
like IBV strain and the onset of immunity is 27 days against Massachusetts serotype
and D274-like strains of IBV after the Poulvac IB Primer vaccination. An onset of
immunity of 21 days after the second vaccination against IBV Variant 2 (IS-1494-like)
and 793B serotype strains has also been established for the associated use, with
Poulvac IB Primer as detailed above, as demonstrated by a reduction of respiratory
signs caused by Variant 2 (IS-1494-like) and 793B serotype strains of IBV (as
assessed by the ciliary activity of tracheal explants). The possible interference of
MDAs on efficacy against Variant 2 and 793B serotype strains was not investigated.
The safety parameters and adverse events are not different from those described for
the vaccines administered separately.
No information is available on the safety and efficacy of this vaccine when used with
any other veterinary medicinal product except the product mentioned above. A
decision to use this vaccine before or after any other veterinary medicinal product
therefore needs to be made on a case by case basis.
AN: 03378/2025Page 4 of 6
Do not freeze.
Protect from light.
This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.
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Other Products Containing Infectious bronchitis virus
These products share the same active ingredient and may be suitable alternatives. Always consult your vet.
Avishield IB GI-13, Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VIZO S.r.l a socio unico
Avishield IB GI-13, Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VIZO S.r.l a socio unico
Avishield IB H120, Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VIZO S.r.l a socio unico
Avishield IB H120, Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VIZO S.r.l a socio unico
CEVAC IBird Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VCeva Sante Animale
CEVAC IBird Lyophilisate for Oculonasal Suspension/Use in Drinking Water for Chickens
POM-VCeva Sante Animale
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