Seropositivity to Coxiella burnetii in primiparous and multiparous ewes from southern Australia: A cross-sectional study

Shorten, 2021, The role of reproductive loss on flock performance: a comparison of nine industry flocks, Transl. Anim. Sci., 5, 10.1093/tas/txab013 Allworth, 2017, Fetal and lamb losses from pregnancy scanning to lamb marking in commercial sheep flocks in southern New South Wales, Anim. Prod. Sci., 57, 2060, 10.1071/AN16166 Kleemann, 2005, Fertility in South Australian commercial Merino flocks: sources of reproductive wastage, Theriogenology, 63, 2075, 10.1016/j.theriogenology.2004.06.017 Kilgour, 1992, Lambing potential and mortality in Merino sheep as ascertained by ultrasonography, Aust. J. Exp. Agric., 32, 311, 10.1071/EA9920311 G. Refshauge, T. Atkinson, S.M. Robertson, M. Hernandez-Jover, B. Allworth, M. Friend, Reducing Kid Loss – Select and Project. Phase 1 Final report, Meat and Livestock Australia, North Sydney, 2020. Clune, 2021, Ovine abortion and stillbirth investigations in Australia, Aust. Vet. J., 99, 72, 10.1111/avj.13040 T. Tan, A pilot study of the seroprevalence of Q fever in cattle, sheep and goats in Victoria (Masters by Research thesis), University of Melbourne, 2018. Arricau-Bouvery, 2005, Is Q fever an emerging or re-emerging zoonosis?, Vet. Res., 36, 327, 10.1051/vetres:2005010 Martinov, 1989, Experimental Q fever in sheep, Eur. J. Epidemiol., 5, 428, 10.1007/BF00140134 Berri, 2001, Relationships between the shedding of Coxiella burnetii, clinical signs and serological responses of 34 sheep, Vet. Rec., 148, 502, 10.1136/vr.148.16.502 Brooks, 1986, Q fever vaccination of sheep: challenge of immunity in ewes, Am. J. Vet. Res., 47, 1235 Berri, 2005, Spread of Coxiella burnetii infection in a flock of sheep after an episode of Q fever, Vet. Rec., 157, 737, 10.1136/vr.157.23.737 Agerholm, 2013, Coxiella burnetii associated reproductive disorders in domestic animals--a critical review, Acta Vet. Scand., 55, 13, 10.1186/1751-0147-55-13 Berri, 2007, Goats may experience reproductive failures and shed Coxiella burnetii at two successive parturitions after a Q fever infection, Res. Vet. Sci., 83, 47, 10.1016/j.rvsc.2006.11.001 Derrick, 1959, Outbreak of Q fever in Queensland associated with sheep, Med. J. Aust., 46, 585, 10.5694/j.1326-5377.1959.tb59279.x Smith, 1962, Reproductive wastage in a merino flock in central western Queensland, Aust. Vet. J., 38, 500, 10.1111/j.1751-0813.1962.tb04000.x Rowan, 1965, Q Fever antibodies in New South Wales sheep, Aust. Vet. J., 41, 356, 10.1111/j.1751-0813.1965.tb01797.x Banazis, 2010, A survey of Western Australian sheep, cattle and kangaroos to determine the prevalence of Coxiella burnetii, Vet. Microbiol., 143, 337, 10.1016/j.vetmic.2009.12.002 Gidding, 2009, Australia's national Q fever vaccination program, Vaccine, 27, 2037, 10.1016/j.vaccine.2009.02.007 Eastwood, 2018, Aust. J. Gen. Pract., 47 Fournier, 1998, Diagnosis of Q fever, J. Clin. Microbiol., 36, 1823, 10.1128/JCM.36.7.1823-1834.1998 Angelakis, 2010, Q fever, Vet. Microbiol., 140, 297, 10.1016/j.vetmic.2009.07.016 Sloan-Gardner, 2016, Trends and risk factors for human Q fever in Australia, 1991–2014, Epidemiol. Infect., 145, 1 Bond, 2016, One Health approach to controlling a Q fever outbreak on an Australian goat farm, Epidemiol. Infect., 144, 1129, 10.1017/S0950268815002368 Lurier, 2021, Evaluation using latent class models of the diagnostic performances of three ELISA tests commercialized for the serological diagnosis of Coxiella burnetii infection in domestic ruminants, Vet. Res., 52, 56, 10.1186/s13567-021-00926-w T.M. Ellis, M.D. Barton, Australia and New Zealand Standard Diagnostic Procedures: Q fever, Australian Government, The Department of Agriculture and Water Resources, 2003, pp. 1–7. Clune, 2021, Chlamydia pecorum detection in aborted and stillborn lambs from Western Australia, Vet. Res., 52, 84, 10.1186/s13567-021-00950-w Brown, 2001, Interval estimation for a proportion, Stat. Sci., 16 E.S.G. Sergeant, Epitools epidemiological calculators, 2021. 〈http://epitools.ausvet.com.au〉. (Accessed 20 February 2021 ). Speybroeck, 2013, Misclassification errors in prevalence estimation: Bayesian handling with care, Int. J. Public Health, 58, 791, 10.1007/s00038-012-0439-9 Clune, 2021, Abortion and lamb mortality between pregnancy scanning and lamb marking for maiden ewes in southern Australia, Animals, 10.3390/ani12010010 Bond, 2018, Review of 20 years of human acute Q fever notifications in Victoria, 1994–2013, Aust. Vet. J., 96, 223, 10.1111/avj.12704 Muleme, 2017, Peripartum dynamics of Coxiella burnetii infections in intensively managed dairy goats associated with a Q fever outbreak in Australia, Prev. Vet. Med., 139, 58, 10.1016/j.prevetmed.2017.02.006 Klaassen, 2014, Coxiella burnetii seroprevalence in small ruminants in The Gambia, PLoS One, 9 Muema, 2017, Seroprevalence and factors associated with Coxiella burnetii infection in small ruminants in Baringo County, Kenya, Zoonoses Public Health, 64, e31, 10.1111/zph.12342 García-Pérez, 2009, Short communication: Investigation of Coxiella burnetii occurrence in dairy sheep flocks by bulk-tank milk analysis and antibody level determination, J. Dairy Sci., 92, 1581, 10.3168/jds.2008-1672 Joulié, 2017, Coxiella burnetii circulation in a naturally infected flock of sheep: individual follow-up of antibodies in serum and milk, Appl. Environ. Microbiol., 83, 10.1128/AEM.00222-17 Cruz, 2018, A Nationwide Seroepidemiologic Study on Q Fever Antibodies in Sheep of Portugal, Vector Borne Zoonotic Dis., 18, 601, 10.1089/vbz.2018.2294 Villari, 2018, Seroprevalence of Coxiella burnetii infection (Q fever) in sheep farms located in Sicily (Southern Italy) and related risk factors, Small Rumin. Res., 164, 82, 10.1016/j.smallrumres.2018.05.006 Conan, 2020, Detection of Coxiella burnetii antibodies in sheep and cattle on a veterinary campus in St. Kitts: implications for one health in the Caribbean region, One Health, 10, 10.1016/j.onehlt.2020.100163 Turcotte, 2021, Epidemiological study of coxiella burnetii in dairy cattle and small ruminants in Québec, Canada, Prev. Vet. Med., 191, 10.1016/j.prevetmed.2021.105365 World Organisation for Animal Health, Q fever (chapter 3.1.16), Manual of Diagnostic Tests and Vaccines for Terrestrial Animals 2019, World Organisation for Animal Health (OIE), Available: 〈https://www.oie.int/en/what-we-do/standards/codes-and-manuals/terrestrial-manual-online-access/〉 (accessed June 2021), 2019. Horigan, 2011, Q fever diagnosis in domestic ruminants: comparison between complement fixation and commercial enzyme-linked immunosorbent assays, J. Vet. Diagn. Invest., 23, 924, 10.1177/1040638711416971 Arricau Bouvery, 2003, Experimental Coxiella burnetii infection in pregnant goats: excretion routes, Vet. Res., 34, 423, 10.1051/vetres:2003017 Hinch, 2014, Lamb survival in Australian flocks: a review, Anim. Prod. Sci., 54, 656, 10.1071/AN13236 Ostfeld, 2020, Chlamydia pecorum-induced arthritis in experimentally-induced and naturally infected sheep, Vet. Pathol., 58, 346, 10.1177/0300985820973461 T. Clune, A. Lockwood, S. Hancock, A.N. Thompson, S. Beetson, M. Bruce, A.J. Campbell, E. Glanville, D. Brookes, C. Trengove, R. O’handley, C. Jacobson, Seropositivity to Campylobacter and association with abortion and lamb mortality in maiden ewes from southern Australia, Available at: (2021). T. Clune, A. Lockwood, S. Hancock, A.N. Thompson, S. Beetson, M. Bruce, A.J. Campbell, E. Glanville, D. Brookes, C. Trengove, R. O’Handley, C. Jacobson, Toxoplasma gondii is not an important contributor to poor reproductive performance of primiparous ewes from southern Australia: a prospective cohort study, Available at: DOI: 10.21203/rs.3.rs-955972/v1 (2021). Clune, 2021, Neospora caninum is not an important contributor to poor reproductive performance of primiparous ewes from southern Australia: evidence from a cross-sectional study, Parasitol. Res., 120, 3875, 10.1007/s00436-021-07328-z Graves, 2016, Endemic Q fever in new south wales, Australia: a case series (2005-2013), Am. J. Trop. Med. Hyg., 95, 55, 10.4269/ajtmh.15-0828 Boland, 1999, Q fever in south west Queensland, Med. J. Aust., 171, 446, 10.5694/j.1326-5377.1999.tb123737.x O'Connor, 2015, A windy day in a sheep saleyard: an outbreak of Q fever in rural South Australia, Epidemiol. Infect., 143, 391, 10.1017/S0950268814001083 Tissot-Dupont, 2004, Wind in November, Q fever in december, Emerg. Infect. Dis., 10, 1264, 10.3201/eid1007.030724 Webster, 2009, Ovine-associated Q fever, Epidemiol. Infect., 137, 744, 10.1017/S0950268808001404 Jones, 2010, Detection of Coxiella burnetii in placenta and abortion samples from British ruminants using real-time PCR, Vet. Rec., 167, 965, 10.1136/vr.c4040 Rodolakis, 2007, Comparison of Coxiella burnetii shedding in milk of dairy bovine, caprine, and ovine herds, J. Dairy Sci., 90, 5352, 10.3168/jds.2006-815 Australian Government Bureau of Meteorology, Australian Climate Averages - Rainfall, 2021. 〈http://www.bom.gov.au/jsp/ncc/climate_averages/rainfall/index.jsp〉. (Accessed June 2021 2021).