The AHVLA is an executive agency of Defra and is responsible for ensuring the welfare of farmed animals in Great Britain. The agency is also responsible for managing outbreaks of notifiable animal diseases and helping to ensure suitable standards of egg and dairy production are met. You can call the AHVLA Information Line on 0844 884 4600.
You should contact your nearest AHVLA if you have any suspicions of disease in your farm animals.