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A longitudinal study of natural infection of piglets with Streptococcus suis types 1 and 2

Robertson, I.D., Blackmore, D.K., Hampson, D.J. and Fu, Z.F. (1991) A longitudinal study of natural infection of piglets with Streptococcus suis types 1 and 2. Epidemiology and Infection, 107 (01). p. 119.

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Abstract

Streptococcus suis types 1 and 2 were detected in nasal swabs taken from five litters of piglets sampled twice weekly from birth. The two types had been detected in all pigs by the time they were 38 and 25 days old respectively with mean ages of first detectable infection being 13·5 and 8·5 days. The prevalence of infection was not affected by housing conditions or the population density of pigs. Piglets originating from a sow with vaginal swabs positive for S. suis type 2 were infected earlier than piglets from non-vaginal carriers. It is concluded that infection of piglets with S. suis type 2 may occur during the birth process.

Publication Type: Journal Article
Murdoch Affiliation: School of Veterinary Studies
Publisher: Cambridge University Press
Copyright: © Cambridge University Press 1991
URI: http://researchrepository.murdoch.edu.au/id/eprint/15350
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