1. SAC Veterinary Science Division; Drummondhill, Stratherrick Road Inverness IV2 4JZ
2. SAC Veterinary Science Division; Bush Estate Penicuik Midlothian EH26 0QE
3. Culture Collection University Göteborg; Department of Clinical Bacteriology; Sahlgrenska University Hospital and University of Göteborg; 413 46 Göteborg Sweden
4. VLA - Starcross; Staplake Mount Starcross Exeter EX6 8PE
5. VLA - Thirsk; West House, Station Road Thirsk North Yorkshire YO7 1PZ
6. VLA - Weybridge; Addlestone Surrey KT15 3NB