Serological evidence of Coxiella burnetii infection in beef cattle in Queensland

Cooper, A., Hedlefs, R., McGowan, M., Ketheesan, N., and Govan, B. (2011) Serological evidence of Coxiella burnetii infection in beef cattle in Queensland. Australian Veterinary Journal, 89 (7). pp. 260-264.

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Abstract

Background Queensland has the highest incidence of Q fever in Australia. The aim of this study was to undertake a cross-sectional seroprevalence survey of Coxiella burnetii, the causative agent of Q fever, in beef cattle in Queensland.

Methods Serum samples were tested by ELISA for both phase II and phase I antigens of the organism using an Australian isolate. Blood samples were collected at an abattoir that processes beef cattle originating from northern and north-western Queensland, in addition to blood samples taken from beef cattle across Queensland as part of a second survey.

Results Seropositivity was 16.8% (95% confidence interval 16.7–16.8%).

Conclusion Evidence of C. burnetii infection in beef cattle has public health implications for occupational exposure of primary producers and veterinarians and for the proximity of beef cattle properties to residential areas in regional Queensland. This study is the first known investigation of C. burnetii seroprevalence in beef cattle in Queensland and the first known use of an Australian C. burnetii isolate for screening using both phase II and phase I antigens.

Item ID: 17737
Item Type: Article (Refereed Research - C1)
Keywords: Australia; beef cattle; Coxiella burnetii; Q fever; Queensland; serology
ISSN: 1751-0813
Date Deposited: 22 Aug 2011 23:34
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070704 Veterinary Epidemiology @ 60%
11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 10%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070705 Veterinary Immunology @ 30%
SEO Codes: 83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8303 Livestock Raising > 830301 Beef Cattle @ 90%
92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920499 Public Health (excl. Specific Population Health) not elsewhere classified @ 10%
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