Skip to content
POM-V Prescription Required

Gallifen 40 mg/g Premix for Medicated Feeding Stuff for Chickens and Pheasants

Active ingredient: Fenbendazole

Form

Premix

Species

Chickens Pheasants

Manufacturer

Huvepharma NV

VMD MA No.

30282/3029

What it's used for

Treatment of pheasants infected with Heterakis gallinarum

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

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Fenbendazole

  1. 1

    Ask your vet for a written prescription

    They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.

  2. 2

    Fill it at a registered online retailer

    The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Gallifen 40 mg/g Premix for Medicated Feeding Stuff for Chickens and Pheasants — SPC Details

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

Treatment of pheasants infected with Heterakis gallinarum
The daily dose is 1 mg fenbendazole per kg bodyweight per day administered in feed
for 5 consecutive days.
For the preparation of medicated feed:
1 mg fenbendazole per kg bodyweight per day corresponds to 0.025 g of the
veterinary medicinal product per kg bodyweight per day.
For the preparation of the medicated feed the bodyweight of the animals to be
treated and their actual daily intake of feed should be taken into due account.
To provide the required amount of fenbendazole per kg medicated feed the premix
has to be incorporated into the feed according to the following formula:
AN: 00024/2024 & 00025/2024Page 4 of 7
0.025 g of the veterinary
medicinal product per kg
bodyweight daily
X
average bodyweight (kg)
of the animals to be
treated
----------------------------------------------------------------------------------
-------
= average daily feed intake per animal (kg)
g of the
veterinary
medicinal
product per kg
feed
For incorporation into dry feed at the registered mill:
A manufacturer who is approved to incorporate veterinary medicinal products, or
premixtures containing such veterinary medicinal products, directly at any
concentration, must be responsible for mixing when incorporation is less than 2 kg
per tonne for final feed.
To ensure adequate distribution of the veterinary medicinal product in the final feed it
is recommended to premix the veterinary medicinal product at a ratio of 1:10 with
feed ingredients before blending into the final feed. If the premix is used for
supplementation of pelleted feed, the pelleting temperature should not exceed 105
°C.
Not to be mixed in liquid feed.
To ensure administration of a correct dose, bodyweight should be determined as
accurately as possible.
The uptake of medicated feed depends on the clinical condition of the animals and
environmental factors. The feed intake should be monitored regularly and the
incorporation rate adjusted accordingly in order to guarantee an intake of 1 mg
fenbendazole per kg bodyweight per day.
Do not use in cases of hypersensitivity to the active substance, other benzimidazoles
or any of the excipients.
None known.
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.
AN: 00024/2024 & 00025/2024Page 2 of 7
Suspected clinical cases of resistance to anthelmintics should be further investigated
using appropriate tests (e.g. Faecal Egg Count Reduction Test). Where the results of
the test(s) strongly suggest resistance to a particular anthelmintic an anthelmintic
belonging to another pharmacological class and having a different mode of action
should be used.
Care should be taken to avoid the following practices because they increase the risk
of development of resistance and could ultimately result in ineffective therapy:
•
extended period of time.
•
misadministration of the veterinary medicinal product, or lack of calibration of
the dosing device (if any).

Special precautions for safe use in the target species:
The safety of the veterinary medicinal product at overdose has not been evaluated in
chickens less than 8 weeks old.
Do not use in cases of Capillaria spp. infestations. The efficacy of the veterinary
medicinal product at the recommended dosage is not sufficient for the treatment of
infections with Capillaria spp. The absence of Capillaria spp. infestation should be
confirmed prior to use of the veterinary medicinal product. In case of Capillaria
infestation another appropriate anthelmintic veterinary medicinal product should be
used. Use of the veterinary medicinal product deviating from the instructions in the
SPC may increase the risk of development of resistance.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
This veterinary medicinal product may be toxic to humans after ingestion.
This veterinary medicinal product may cause eye irritation and skin sensitisation.
Contact with the skin and eyes or accidental ingestion of the veterinary medicinal
product should be avoided.
When handling or mixing, care should be taken to avoid direct contact with the skin
and eyes, and inhalation of dust, by wearing goggles, impervious gloves and a
disposable half-mask respirator conforming to European Standard EN149 or a non-
disposable respirator to European Standard EN 140 with a filter to EN 143.
In the event of accidental ingestion, rinse mouth with plenty of clean water and seek
medical advice.
In case of skin and/or eye contact, immediately rinse with plenty of water.
Embryotoxic effects cannot be excluded. Pregnant women must take extra
precautions when handling this veterinary medicinal product.
Wash hands after use.
AN: 00024/2024 & 00025/2024Page 3 of 7
Special precautions for the protection of the environment:
The veterinary medicinal product should not be allowed to enter surface waters as
fenbendazole may be dangerous for fish and other aquatic organisms.
None known.
Veterinary medicinal product as packaged for sale: no special storage precautions.
After first opening of the immediate packaging: do not store above 25°C.
Medicated feed (mash and pelleted): no special storage precautions.
Chickens:
Meat and offal: 8 days.
Eggs: Zero days.
Pheasants:
Meat and offal: 8 days. Do not release pheasants for hunting for at least 8 days after
the end of medication.
Eggs: 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.

Medication costs adding up?

Pet insurance can cover prescription medications. Find the right policy for your pet.

Compare insurance

Find cheaper vets near you

Compare vet consultation prices in your area. Save on procedures and get a prescription to buy medications online.