SMR 5: Restrictions on the use of substances having hormonal or thyrostatic action
and beta-agonists in farm animals
SMR 5: Restrictions on the use of substances having hormonal or thyrostatic action
and beta-agonists in farm animals
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(Previously SMR 10)
It is illegal to use substances that have a hormonal or thyrostatic action and
beta-agonists for growth promotion in stock farming. Some substances can be used for
authorised therapeutic purposes only, but these must be administered only by a
veterinarian, who must record details of the treatment in a register/record book.
What you must do
Other than the therapeutic exemptions allowed (for the use of veterinary medicines
containing testosterone, progesterone, allyl trenbolone and beta-agonists, and having
oestrogenic, androgenic or gestagenic action), you must not use these restricted
substances:
- thyrostatic substances
- stilbenes, stilbene derivatives, their salts and esters
- oestradiol 17? and its ester-like derivatives
- substances having oestrogenic, androgenic or gestogenic action, and beta-agonists.
You must not:
- give food-producing animals restricted substances
- have on your farm, place on the market or send to slaughter for human consumption any
animal that has been given any restricted substance
- place on the market meat or any other animal product from an animal that has been given
any restricted substance
- have substances on your farm containing beta-agonists to induce tocolysis in cows when
calving (for example, clenbuterol hydrochloride).
You must:
- take note of the correct withdrawal periods if your food-producing animals have been
given any of the restricted substances in line with the permitted exceptions. Your
veterinary surgeon can advise on the withdrawal periods for prescribed veterinary
medicines
- show to inspectors veterinary medicinal records about restricted substances on request.
More information
The Product
Information Database is on the Veterinary
Medicines Directorate website at www.gov.uk/vmd.
It contains the most up to date information on medicines authorised for use in farm
animals in the UK. The database includes any withdrawal periods.
Contact
Veterinary Medicines Directorate:
01932 336911