1. Avian Health Unit; SAC Veterinary Science Division; Auchincruive Ayr KA6 5AE
2. The Glebe; Church Road, Kirkpatrick Durham Castle Douglas DG7 3HF
3. Scottish Salmonella Reference Laboratory; Stobhill Hospital; The North Glasgow University Hospitals Trust; Balornock Road Glasgow G21 3UW
4. SAC Veterinary Science Division; Drummondhill, Stratherrick Road Inverness IV2 4JZ