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Serological characterisation of Haemophilus parasuis isolates from Australian pigs

Blackall, P.J., Rapp-Gabrielson, V.J. and Hampson, D.J.ORCID: 0000-0002-7729-0427 (1996) Serological characterisation of Haemophilus parasuis isolates from Australian pigs. Australian Veterinary Journal, 73 (3). pp. 93-95.

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A total of 31 isolates of Haemophilus parasuis obtained from Australian pigs were serotyped by the Kielstein-Rapp-Gabrielson scheme. The isolates were assigned to serovar 1 (1 isolate), serovar 2 (1 isolate), serovar 4 (4 isolates), serovar 5 (7 isolates), serovar 9 (2 isolates), serovar 10/7 (4 isolates), serovar 12 (1 isolate) and serovar 13 (6 isolates). The remaining 5 isolates could not be assigned to a serovar. Two different serovars (5 and 13) were detected in one herd. The only 2 isolates obtained from clinically normal pigs (from the same herd) were serovar 9. The common serovars were isolated from pigs with pneumonia as well as from pigs with conditions of the Glässer's disease type. The serological heterogeneity amongst Australian isolates of H parasuis has important implications for the use of vaccines to control Glässer's disease.

Item Type: Journal Article
Murdoch Affiliation(s): School of Veterinary Studies
Publisher: Wiley-Blackwell
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