http://www.legislation.gov.uk/uksi/1989/1964/article/12/made

The Poultry Laying Flocks (Testing and Registration etc.) Order 1989

Animal health

Food related licences

Veterinary services

King's Printer of Acts of Parliament

2016-03-16

ANIMALS;ANIMAL HEALTH

This Order which revokes the Testing of Poultry Flocks Order 1989 and the Poultry Laying Flocks (Collection and Handling of Eggs and Control of Vermin) Order 1989 requires the owner or person in charge of a laying flock, that is to say a flock of poultry consisting of not less than 25 birds which are kept for the production of eggs for human consumption (including birds reared for that purpose) or of less than 25 birds the eggs of which are sold for human consumption, to ensure that samples are taken in respect of the flock and are submitted to a laboratory for testing for the presence of salmonella (article 3 and Schedule 1).