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  • Title: Isolation of faecal chlamydia from sheep in Britain and their characterization by cultural properties.
    Author: Clarkson MJ, Philips HL.
    Journal: Vet J; 1997 May; 153(3):307-10. PubMed ID: 9232119.
    Abstract:
    Faeces samples were taken per rectum from sheep on 26 farms in England and Wales and examined for the presence of chlamydia by culture in McCoy cell monolayers. Thirteen of the farms were known to have had abortion outbreaks associated with Chlamydia psittaci (enzootic abortion) and 13 were free of this infection. The chlamydia isolated were characterized by cultural techniques. Chlamydia were isolated from the faeces of lambs on all 26 farms and the prevalence of infection varied form 5-50% on individual farms. There was no significant difference between the proportion of infected lambs on farms where enzootic abortion was present or absent. Lambs first showed infection when they were 3 months old and the prevalence rate of infection increased up to 9 months old. No chlamydia were isolated from the faeces of 316 adult ewes. The chlamydia were identified as enteric rather than abortion type and thus were C. pecorum rather than C. psittaci.
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