Abstract
Experimental Infection of Conventional Pigs with Streptococcus suis serotype 2 by Aerosolic Exposure
Highlights
Streptococcus suis is an important cause of meningitis, arthritis and septicaemia, especially in young pigs
The clinical signs as well as the lesions observed in 2 of the 3 animals challenged with S. suis were comparable to spontaneous S. suis serotype 2 infection in pigs (Reams et al 1994)
Hearing loss due to inner ear affection is a major characteristic in humans affected by S. suis meningitis (Arends & Zanen 1988)
Summary
Streptococcus suis is an important cause of meningitis, arthritis and septicaemia, especially in young pigs. A A,C n.d. Mild, focal mucopurulent rhinitis (A,C) Diffuse fibrinopurulent pleuritis (A,B); acute embolic pneumonia (A) Follicular hyperplasia and exudation of heterophils (A,B) Unilateral purulent otitis media and exudate in Eustachian tube (B) Bilateral purulent labyrinthitis and perineuritis N.d.: not done; -: negative; IHC: immunohistochemistry for S. suis serotype 2 ; A,B,C: animal no. A fibrinopurulent polyserositis was seen, and in animal C, which had an exudative meningitis and arthritis.
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