Poulvac IB Primer
Active ingredient: Infectious bronchitis virus
Form
Liquid
Species
Manufacturer
Zoetis UK Limited
VMD MA No.
42058/5191
What it's used for
For active immunisation of chickens against Massachusetts serotype strains and D274 like strains of Avian Infectious Bronchitis virus (IBV). Onset of immun...
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Paying less for Infectious bronchitis virus
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Ask your vet for a written prescription
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Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
Poulvac IB Primer — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 26 Mar 2026.
D274 like strains of Avian Infectious Bronchitis virus (IBV).
Onset of immunity: 27 days after vaccination
Duration of immunity: 16 weeks
Broilers: vaccination from first day of life.
Future layers or breeders: vaccination from first day of life or during the 3rd to 4th
week of life for immediate protection of young chickens and priming for subsequent
vaccinations with an inactivated vaccine.
Layer or breeders: vaccination from onset of lay.
One dose of vaccine per bird administered by spray administration, eye drop
administration or drinking water administration. The amount of water to be used
depends on the method of administration:
For spray administration: Dilute and administer the reconstituted vaccine at a rate of
one dose of reconstituted vaccine per bird, according to the directions of your specific
coarse spray vaccination equipment. Recommended volume for one dose is between
0.1 and 0.5 ml.
The spray device used must be set to a droplet size of 0.12 to 0.15 mm in diameter.
The distance from the spray head to the bird should be approximately 50 cm.
During spraying and for about 20 - 30 minutes thereafter, ventilation should be
switched off or reduced. Dimming light sources is recommended to avoid unsettling
the animals.
For eye drop administration: 50 ml per 1000 birds.
One drop (0.05 ml) of the vaccine solution is administered into an eye. In doing so,
the head of the animal must be fixed so that the drop does not run down. 1000 doses
of the vaccine are dissolved in 50 ml water.
For drinking water administration: Depending on the age of the birds: The amount of
water in litres per 1000 chickens should be set according to the age of the chickens in
days (up to a maximum of 40 litres).
Amended Pages: July 2025
AN: 04282/2024
Water containing a high level of chlorine or metal ions should not be used and conduit
pipes, tubing, etc. should be thoroughly clean and free of traces of disinfectants and
detergents. It is recommended to add protective proteins in the form of skimmed milk
powder (2 g per litre of water) or skimmed milk (1 litre per 50 litres of water) to the
water.
The birds should be deprived from water about 2 hours before vaccination. For
vaccination, use as many litres of water as the age of the birds in days, per 1000
birds, up to a maximum of 40 litres as indicated above.
Prepare the amount of vaccine to be used within 2 hours. Remove the sealing cap
and stopper from the vaccine vial and suspend the vaccine in the corresponding
amount of water and mix carefully. Care should be taken to empty the ampoule
completely and administer the diluted vaccine immediately.
Make sure that birds do not have access to untreated water until the treated water
has been consumed.
One day before and after vaccination no drugs or disinfectants should be applied to
the chickens.
Amended Pages: July 2025
AN: 04282/2024
transient, mild respiratory symptoms.
The frequency of adverse reactions is defined using the following convention:
- very common (more than 1 in 10 animals treated displaying adverse reaction(s))
- common (more than 1 but less than 10 animals in 100 animals treated)
- uncommon (more than 1 but less than 10 animals in 1,000 animals treated)
- rare (more than 1 but less than 10 animals in 10,000 animals treated)
- very rare (less than 1 animal in 10,000 animals treated, including isolated reports).
Special precautions for use in animals
The vaccine strain may spread to unvaccinated chickens. Safety and reversion to
virulence trials have shown that vaccine strain is safe for chickens. It is recommended
to vaccinate all birds on a site at the same time.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
Personal protective equipment consisting of goggles and dust masks or a helmet with
filtered air circulation should be worn when handling the veterinary medicinal product
especially while vaccination according to the spraying method.
Personnel involved in attending vaccinated chickens should follow general hygiene
principles (changing clothes, wearing gloves, cleaning and disinfection of boots).
administered from day of age onwards by course spray and eyedrop before
administration of Poulvac IB QX (where authorised) 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
Amended Pages: July 2025
AN: 04282/2024
QX 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 reactions are not different from those described for the vaccines
administered separately.
Safety and efficacy data are available which demonstrate that this vaccine, when
administered by the spray route to maternal antibody positive chicks, can be
administered on the same day as Poulvac NDW.
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.
Protect from light.
Do not freeze.
Clone:
3.0
– 10
5.4
EID50
Excipients:
For the full list of excipients, see section
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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