Syn: Enzootic/progressive atrophic rhinitis)

Diagnosis

Clinical signs, gross pathology, bacteriology. Can be diagnosed clinically when large numbers of pigs with snout deformities are present. If bacteriological confirmation of toxigenic P. multocida is needed, collect nasal swabs from up to 10 clinically affected pigs (preferably weaners and growers). Despatch swabs in transport media to reach the laboratory within 24 hours of collection.

If possible:

• Swab nares with alcohol to reduce contamination.
• Use mini-tipped, aluminium-shafted swabs, especially when sampling weaner and grower pigs.
• Advise RVL of intended sampling, so fresh selective media can be available in the laboratory.

Specimens required

1. Snout swabs transported at ambient temperature in Amies Charcoal transport medium.