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https://hdl.handle.net/1959.11/30254
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lakew, Biniam T | en |
dc.contributor.author | Kheravii, Sarbast K | en |
dc.contributor.author | Wu, Shubiao | en |
dc.contributor.author | Eastwood, Steve | en |
dc.contributor.author | Andrew, Nigel | en |
dc.contributor.author | Jenkins, Cheryl | en |
dc.contributor.author | Walkden-Brown, Stephen W | en |
dc.date.accessioned | 2021-03-23T02:27:46Z | - |
dc.date.available | 2021-03-23T02:27:46Z | - |
dc.date.issued | 2021-03 | - |
dc.identifier.citation | Ticks and Tick-borne diseases, 12(2), p. 1-10 | en |
dc.identifier.issn | 1877-9603 | en |
dc.identifier.issn | 1877-959X | en |
dc.identifier.uri | https://hdl.handle.net/1959.11/30254 | - |
dc.description.abstract | Bovine theileriosis, caused by the <i>Theileria orientalis</i> complex, causes a mild persistent infection with the severity dependent on the infecting genotype and host exposure status. Clinical theileriosis was first detected on the Northern Tablelands of NSW in 2009 and a high prevalence of infection in cattle reported in 2013. However, the parasite was not genotyped and likely vectors not investigated. In response to ongoing clinical cases, here we identify the <i>Theileria</i> genotypes present in the region and potential vectors. Genotype-specific multiplex qPCR of 90 blood samples from eight farms revealed a 100 % prevalence of <i>T. orientalis</i> in individual cattle with concurrent infection with all three genotypes present in 73 % of cases. The prevalence of the pathogenic genotype (Ikeda) differed significantly between farms; however, the level of parasitemia was not affected by genotype or associated with clinical disease. Parasitaemia levels were higher in heifers than cows. Questing tick collection on six of the farms between November 2017 and May 2019 yielded 358 questing ticks from one farm, all of which were morphologically identified as <i>Haemaphysalis bancrofti</i>. Larvae accounted for 59 % of the ticks followed by nymphs (34 %) and adults (7%). <i>Theileria</i> was detected only in nymphs with Ikeda and Buffeli genotypes each being detected in one of four pools of ticks. The high prevalence of co-infection with three genotypes of T. orientalis indicates that they are now endemic in the region and confirms the lack of cross-protection between genotypes. This is the first detection of <i>T. orientalis</i> in questing <i>H. bancrofti</i> ticks: indicating that it may be a vector for <i>T. orientalis</i> in this region. However, the high prevalence of bovine infection is at odds with the absence of captured ticks or history of tick infestation on five of the six farms raising the possibility that other vectors or transmission pathways play key roles. | en |
dc.language | en | en |
dc.publisher | Elsevier GmbH | en |
dc.relation.ispartof | Ticks and Tick-borne diseases | en |
dc.title | Endemic infection of cattle with multiple genotypes of Theileria orientalis on the Northern Tablelands of New South Wales despite limited presence of ticks | en |
dc.type | Journal Article | en |
dc.identifier.doi | 10.1016/j.ttbdis.2020.101645 | en |
dc.identifier.pmid | 33388554 | en |
local.contributor.firstname | Biniam T | en |
local.contributor.firstname | Sarbast K | en |
local.contributor.firstname | Shubiao | en |
local.contributor.firstname | Steve | en |
local.contributor.firstname | Nigel | en |
local.contributor.firstname | Cheryl | en |
local.contributor.firstname | Stephen W | en |
local.subject.for2008 | 070205 Animal Protection (Pests and Pathogens) | en |
local.subject.seo2008 | 839903 Livestock Product Traceability and Quality Assurance | en |
local.profile.school | School of Environmental and Rural Science | en |
local.profile.school | School of Environmental and Rural Science | en |
local.profile.school | School of Environmental and Rural Science | en |
local.profile.school | School of Environmental and Rural Science | en |
local.profile.school | School of Environmental and Rural Science | en |
local.profile.email | blakew@myune.edu.au | en |
local.profile.email | sqassim2@une.edu.au | en |
local.profile.email | swu3@une.edu.au | en |
local.profile.email | nandrew@une.edu.au | en |
local.profile.email | swalkden@une.edu.au | en |
local.output.category | C1 | en |
local.record.place | au | en |
local.record.institution | University of New England | en |
local.publisher.place | Germany | en |
local.identifier.runningnumber | 101645 | en |
local.format.startpage | 1 | en |
local.format.endpage | 10 | en |
local.identifier.scopusid | 85098635128 | en |
local.peerreviewed | Yes | en |
local.identifier.volume | 12 | en |
local.identifier.issue | 2 | en |
local.contributor.lastname | Lakew | en |
local.contributor.lastname | Kheravii | en |
local.contributor.lastname | Wu | en |
local.contributor.lastname | Eastwood | en |
local.contributor.lastname | Andrew | en |
local.contributor.lastname | Jenkins | en |
local.contributor.lastname | Walkden-Brown | en |
dc.identifier.staff | une-id:blakew | en |
dc.identifier.staff | une-id:sqassim2 | en |
dc.identifier.staff | une-id:swu3 | en |
dc.identifier.staff | une-id:nandrew | en |
dc.identifier.staff | une-id:swalkden | en |
local.profile.orcid | 0000-0002-1790-6015 | en |
local.profile.orcid | 0000-0002-2850-2307 | en |
local.profile.orcid | 0000-0002-0638-5533 | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.identifier.unepublicationid | une:1959.11/30254 | en |
local.date.onlineversion | 2020-12-28 | - |
dc.identifier.academiclevel | Student | en |
dc.identifier.academiclevel | Academic | en |
dc.identifier.academiclevel | Academic | en |
dc.identifier.academiclevel | Academic | en |
dc.identifier.academiclevel | Academic | en |
dc.identifier.academiclevel | Academic | en |
dc.identifier.academiclevel | Academic | en |
local.title.maintitle | Endemic infection of cattle with multiple genotypes of Theileria orientalis on the Northern Tablelands of New South Wales despite limited presence of ticks | en |
local.relation.fundingsourcenote | School of Environmental and Rural Science, UNE; Meat and Livestock Australia (Project B.AHE.0324) | en |
local.output.categorydescription | C1 Refereed Article in a Scholarly Journal | en |
local.search.author | Lakew, Biniam T | en |
local.search.author | Kheravii, Sarbast K | en |
local.search.author | Wu, Shubiao | en |
local.search.author | Eastwood, Steve | en |
local.search.author | Andrew, Nigel | en |
local.search.author | Jenkins, Cheryl | en |
local.search.author | Walkden-Brown, Stephen W | en |
local.uneassociation | Yes | en |
local.atsiresearch | No | en |
local.sensitive.cultural | No | en |
local.identifier.wosid | 000614464900007 | en |
local.year.available | 2020 | en |
local.year.published | 2021 | en |
local.fileurl.closedpublished | https://rune.une.edu.au/web/retrieve/ba78a9d4-0c73-460e-b02d-191523a7a3ea | en |
local.subject.for2020 | 300304 Animal protection (incl. pests and pathogens) | en |
local.subject.for2020 | 300909 Veterinary parasitology | en |
local.subject.seo2020 | 100401 Beef cattle | en |
local.subject.seo2020 | 109904 Livestock product traceability and quality assurance | en |
local.codeupdate.date | 2022-01-28T11:40:09.163 | en |
local.codeupdate.eperson | rtobler@une.edu.au | en |
local.codeupdate.finalised | true | en |
local.original.for2020 | 300304 Animal protection (incl. pests and pathogens) | en |
local.original.seo2020 | 109904 Livestock product traceability and quality assurance | en |
Appears in Collections: | Journal Article School of Environmental and Rural Science |
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