Guidance on the precautions necessary to protect agricultural buildings and structures from infestation and damage by pests, such as rodents, birds and insects.Cross References:BS 5502:Part 20BS 5502:Part 21BS 5502:Part 50BS 6100Poultry Laying Flocks (Testing and Registration) Order 1989Poultry Laying Flocks (Collection and Handling of Eggs and Control of Vermin) Order 1989Food Act 1974Food Safety Act 1990Wildlife and Countryside Act 1981Public Health Act 1961