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. 1993 Feb;110(1):71-8.
doi: 10.1017/s095026880005069x.

The carriage of Streptococcus suis type 2 by pigs in Papua New Guinea

R A Paterson  1 , I D Robertson, R C Sanders, P M Siba, A Clegg, D J Hampson
Affiliations

The carriage of Streptococcus suis type 2 by pigs in Papua New Guinea

R A Paterson et al. Epidemiol Infect. 1993 Feb.

Abstract

An indirect fluorescent antibody test was used to detect the presence of Streptococcus suis type 2 in nasal and pharyngeal swabs taken from pigs in Papua New Guinea. The rate of carriage for the two sites in domesticated indigenous village pigs was 0.5 and 2.5% respectively, compared to 39 and 43% for intensively reared pigs. These findings were supported by the results of a serological survey, using an enzyme linked immunosorbent assay, in which 87% of intensively reared pigs but only 8% of village pigs were seropositive to S. suis type 2. It is proposed that in intensive piggeries S. suis type 2 is continually cycled between pigs. In village pigs, the low population density and harsh environmental conditions prevents this cycle of infection.

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