Definition of progressive atrophic rhinitis
de Jong, M.F.; Nielsen, J.P.
Veterinary Record 126(4): 93
1990
ISSN/ISBN: 0042-4900 PMID: 2309397 Document Number: 359542
At the 10th International Pig Veterinary Society congress in Rio de Janeiro, in August, 1988, a round table session on rhinitis accepted the definition of progressive atrophic rhinitis as a disease caused by toxigenic infection with P. multocida. In herds where suspicious manifestions like sneezing, nose bleeding, snout deformation, growth retardation, turbinate atrophy and septum deviation are observed, the diagnosis of progressive atrophic rhinitis is made by the detection of toxigenic P. multocida. However, the disease may develop in or be transmitted by pigs from herds harbouring toxigenic P. multocida even though only slight or subclinical disease is present. The advantage of an aetiological definition of progressive atrophic rhinitis therefore consists in the possibility of identifying those herds that are able to transmit or develop the severe clinical disease independent of actual clinical status.