Chlamydia pecorum infections in sheep and cattle: A common and under-recognised infectious disease with significant impact on animal health

Evelyn Walker; Effie Lee; Peter Timms; Adam Polkinghorne

doi:10.1016/j.tvjl.2015.09.022

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Chlamydia pecorum infections in sheep and cattle: A common and under-recognised infectious disease with significant impact on animal health

Journal article

Open access

Peer reviewed

Chlamydia pecorum infections in sheep and cattle: A common and under-recognised infectious disease with significant impact on animal health

Evelyn Walker, Effie Lee, Peter Timms and Adam Polkinghorne

The Veterinary Journal, Vol.206(3), pp.252-260

2015

DOI: https://doi.org/10.1016/j.tvjl.2015.09.022

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Abstract

chlamydia pecorum

bovine

ovine

arthritis

enteritis

There is growing recognition that infections of livestock by the obligate intracellular bacterium, Chlamydia pecorum, are more widespread than was previously thought. A range of diseases have been associated with this pathogen, with the most important manifestations including infectious arthritis, infertility, enteritis, reduced growth rates, mastitis, and pneumonia. C. pecorum infections have also been associated with sub-clinical disease, highlighting our lack of knowledge about its true economic impact on livestock producers. Diagnosis of C. pecorum infection is based on clinical findings, serology and histopathology, which are not necessarily implemented in subclinical or early stages of infection, thus potentially contributing to under-diagnosis and under-reporting of infections associated with this bacterium. Recent molecular epidemiology studies have revealed that C. pecorum is genetically diverse and that there may be an association between certain strains and disease in sheep and cattle. Antimicrobial treatment of affected animals has questionable efficacy, justifying development of chlamydia vaccines for livestock. This review summarises current knowledge of the prevalence and impact of C. pecorum infections in sheep and cattle and provides an update on attempts to improve detection, management and treatment of infections by this important obligate intracellular pathogen.

Details

Title: Chlamydia pecorum infections in sheep and cattle: A common and under-recognised infectious disease with significant impact on animal health
Authors: Evelyn Walker (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Effie Lee (Author) - State Veterinary Diagnostic Laboratory Elizabeth Macarthur Agricultural Institute
Peter Timms (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Adam Polkinghorne (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: The Veterinary Journal, Vol.206(3), pp.252-260
Publisher: Elsevier Ltd.
Date published: 2015
DOI: 10.1016/j.tvjl.2015.09.022
ISSN: 1090-0233
Copyright note: Copyright © 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The final version is available from http://dx.doi.org/10.1016/j.tvjl.2015.09.022
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; Centre for Bioinnovation
Language: English
Record Identifier: 99449233302621
Output Type: Journal article

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