Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/3084
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dc.contributor.authorO'Connor, Lauren Johannaen
dc.contributor.authorKahn, Lewisen
dc.contributor.authorWalkden-Brown, Steve Williamen
dc.date.accessioned2009-11-16T17:06:00Z
dc.date.issued2008en
dc.identifier.citationVeterinary Parasitology, 155(3-4), p. 223-234en
dc.identifier.issn0304-4017en
dc.identifier.urihttps://hdl.handle.net/1959.11/3084en
dc.description.abstractA factorial experiment (3 x 4 x 2 x 3) was conducted in programmable incubators to investigate interaction between the effects of rainfall amount, rainfall distribution and evaporation rate on development of 'Haemonchus contortus' to L3. Sheep faeces containing H. 'contortus' eggs were incubated on sterilised soil under variable temperatures typical of summer in the Northern Tablelands of NSW, Australia. Simulated rainfall was applied in 1 of 3 amounts (12, 24 or 32 mm) and 4 distributions (a single event on the day after deposition, or the same total amount split in 2, 3 or 4 equal events over 2, 3 or 4 days, respectively). Samples were incubated at either a Low or High rate of evaporation (Low: 2.1–3.4 mm/day and High: 3.8–6.1 mm/day), and faeces and soil were destructively sampled at 4, 7 and 14 days post-deposition. Recovery of L3 from the soil (extra-pellet L3) increased over time (up to 0.52% at day 14) and with each increment of rainfall (12 mm: <0.01%; 24 mm: 0.10%; 32 mm: 0.45%) but was reduced under the High evaporation rate (0.01%) compared with the Low evaporation rate (0.31%). All rainfall amounts yielded significantly different recoveries of L3 under Low evaporation rates but there was no difference between the 12 and 24 mm treatments under the High evaporation rate. The distribution of simulated rainfall did not significantly affect recovery of infective larvae. Faecal moisture content was positively associated with L3 recovery, as was the ratio of cumulative precipitation and cumulative evaporation (P/E), particularly when measured in the first 4 days post-deposition. The results show that evaporation rate plays a significant role in regulating the influence of rainfall amount on the success of L3 transmission.en
dc.languageenen
dc.publisherElsevieren
dc.relation.ispartofVeterinary Parasitologyen
dc.titleInteraction between the effects of evaporation rate and amount of simulated rainfall on development of the free-living stages of 'Haemonchus contortus'en
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.vetpar.2008.05.010en
dc.subject.keywordsVeterinary Parasitologyen
local.contributor.firstnameLauren Johannaen
local.contributor.firstnameLewisen
local.contributor.firstnameSteve Williamen
local.subject.for2008070708 Veterinary Parasitologyen
local.subject.seo2008830311 Sheep - Woolen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.schoolOffice of Faculty of Science, Ag, Business and Lawen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailloconno5@une.edu.auen
local.profile.emaillkahn3@une.edu.auen
local.profile.emailswalkden@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordpes:6527en
local.publisher.placeAmsterdam, The Netherlandsen
local.format.startpage223en
local.format.endpage234en
local.peerreviewedYesen
local.identifier.volume155en
local.identifier.issue3-4en
local.contributor.lastnameO'Connoren
local.contributor.lastnameKahnen
local.contributor.lastnameWalkden-Brownen
dc.identifier.staffune-id:loconno5en
dc.identifier.staffune-id:lkahn3en
dc.identifier.staffune-id:swalkdenen
local.profile.orcid0000-0002-3679-4530en
local.profile.orcid0000-0002-0638-5533en
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:3167en
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
dc.identifier.academiclevelAcademicen
local.title.maintitleInteraction between the effects of evaporation rate and amount of simulated rainfall on development of the free-living stages of 'Haemonchus contortus'en
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 123<br />Views: 135<br />Downloads: 0en
local.search.authorO'Connor, Lauren Johannaen
local.search.authorKahn, Lewisen
local.search.authorWalkden-Brown, Steve Williamen
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School of Environmental and Rural Science
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