References
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- Laboratory of Veterinary Bacteriology, Faculty of Veterinary Medicine, University of Ghent, Casinoplein 24, B‐9000 Ghent, Belgium.
- Regional Veterinary Investigation Centre, Industrielaan 15, B‐8820 Torhout, Belgium.
- SmithKline Beecham Animal Health Products, Rue de l'Institut 89, B‐1330 Rixensart, Belgium.
- SmithKline Beecham Animal Health Products, Place de l'Université 16, B‐1348 Louvain‐la Neuve, Belgium.