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POM-V Prescription Required

PREVEXXION RN+HVT+IBD Concentrate and Solvent for Suspension for Injection

Active ingredients: Marek's disease virus, Turkey herpesvirus

Form

Injection

Species

Chickens

Manufacturer

Boehringer Ingelheim Vetmedica GmbH

VMD MA No.

61700/5041

What it's used for

Onset of immunity: MD: 5 days post-hatch. IBD: 14 days post-hatch (subcutaneous) or 28 days post-hatch (in ovo). Duration of immunity:MD: A single vaccinat...

Full indications, dosage and side effects ↓
View official SPC (PDF)

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  1. 1

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Prescription required

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Clinical information

PREVEXXION RN+HVT+IBD Concentrate and Solvent for Suspension for Injection — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

Onset of immunity: MD: 5 days post-hatch.
IBD: 14 days post-hatch (subcutaneous) or 28 days post-hatch (in
ovo).
Duration of immunity:MD: A single vaccination is sufficient to provide protection for the
entire risk period.
IBD: 10 weeks post-hatch.
ventilated area.
•
the liquid nitrogen. The exact amount of vaccine ampoules and amount of solvent
needed shall be calculated first according to the table below provided as example:

Amended pages: January 2026
Solvent bag
Number of vaccine
ampoules
(subcutaneous use)
Number of vaccine
ampoules
(in ovo use)
1 bag of 200 ml
solvent
1 ampoule (1 000 doses)
4 ampoules (1 000 doses)
or 2 ampoules
(2 000 doses)
or 1 ampoule (4 000 doses)
1 bag of 400 ml
solvent
2 ampoules (1 000 doses)
or 1 ampoule
(2 000 doses)
8 ampoules (1 000 doses)
or 4 ampoules
(2 000 doses)
or 2 ampoules
(4 000 doses)
1 bag of 800 ml
solvent
4 ampoules (1 000 doses)
or 2 ampoules
(2 000 doses)
or 1 ampoule
(4 000 doses)
16 ampoules (1 000 doses)
or 8 ampoules
(2 000 doses)
or 4 ampoules
(4 000 doses)
•
used immediately.
•
25 °C ─
immediately to the next step.
•
open them while holding them at arm’s length (in order to prevent injury if any
ampoule breaks).
•
ampoules that are thawed, and fit it with a needle of 18 gauge or larger.
•
through the septum of one of the bag-connecting tubes and withdraw 2 ml of
solvent.
•
Do this by slowly drawing up the contents from each ampoule by gently tilting the
ampoule forward and inserting the needle with the bevel edge facing downwards
towards the bottom of the ampoule. Continue until all the vaccine is drawn out of
the ampoule.
•
cloudy).
•
•
volume of the solvent containing the vaccine into the syringe. Then slowly fill the
ampoule bodies and tips with it. Withdraw the content from the ampoule bodies
and tips, and inject it back into the solvent bag.
•

Amended pages: January 2026
•
number of ampoules to be diluted in the solvent bag.
•
immediately. During vaccination, gently swirl the bag frequently to ensure the
vaccine remains homogenously mixed.
•
within two hours. Do not freeze it under any circumstances. Do not re-use opened
containers of vaccine.
Posology:
One single injection of 0.2 ml per one-day-old chick or 0.05 ml per 18-day-old
embryonated chicken egg.
Method of administration:
The vaccine must be administered by subcutaneous injection in the neck or by
injection.
None.
Chickens:
None.
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 the package leaflet for
respective contact details.
Vaccinate healthy animals only.
Chickens with maternally derived antibodies against MD when vaccinated with this
veterinary medicinal product, may have a delayed onset of immunity against IBD.

Special precautions for safe use in the target species:
Apply the usual aseptic precautions to all administration procedures.
As this is a live vaccine, both vaccine strains may be excreted from vaccinated birds.
The RN1250 vaccine strain has not been shown to spread in experimental conditions.
The vHVT013-69 vaccine strain may be spread to unvaccinated chickens and turkeys.
Appropriate veterinary and husbandry measures should be taken to avoid spread of the
vaccine strains to unvaccinated chickens, turkeys and other susceptible species.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
Personal protective equipment consisting of gloves, spectacles and boots should be
worn when handling the veterinary medicinal product, before withdrawing from liquid
nitrogen, during the ampoule thawing and opening operations. Frozen glass ampoules
may explode during sudden temperature changes. Store and use liquid nitrogen only in
a dry and well-ventilated place. Inhalation of the liquid nitrogen is dangerous.

Amended pages: January 2026
Special precautions for the protection of the environment:
Not applicable.
No information is available on the safety and efficacy of this vaccine when used with
any other veterinary medicinal product. 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.
Vaccine concentrate:
Store and transport frozen in liquid nitrogen.
The liquid nitrogen containers must be checked regularly for liquid nitrogen level and
must be refilled as needed.
Discard any ampoules that have been accidentally thawed.
Solvent:
Store below 30 °C. Do not freeze. Protect from light.
Zero days.

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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