A rapid spectrophotometric method for the monitoring of embryonic development in ticks (Acarina : Ixodoidea)

dc.contributor.authorLondt, J.G.H.
dc.contributor.editorBigalke, R.D.
dc.contributor.editorCameron, Colin McKenzie
dc.contributor.editorVerster, Anna J,M.
dc.contributor.editorWalker, Jane B.
dc.contributor.otherDe Kock, V.E.
dc.date.accessioned2016-07-06T11:25:56Z
dc.date.available2016-07-06T11:25:56Z
dc.date.created2016
dc.date.issued1975
dc.descriptionThe articles have been scanned in colour with a HP Scanjet 5590; 300dpi. Adobe Acroabt XI was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.en_ZA
dc.description.abstractA rapid spectrophotometric method for the monitoring of embryonic development in Boophilus decoloratus (Koch, 1844) is described. The method is based on a quantitative assessment of guanine, the principal end-product of nitrogenous metabolism in ticks, which is gradually built up and stored in the rectal sac during embryonic development of the larvae. A study of the growth of tick embryos under constant temperature conditions and 6 different humidity conditions demonstrated that embryonic development was dependent on the water content of the eggs at the time of oviposition. When eggs lost more than 35% of their initial mass through evaporation, nitrogenous metabolism (as indicated by guanine production) was seriously affected and embryos died.en_ZA
dc.identifier.citationLondt, JGH 1975, 'A rapid spectrophotometric method for the monitoring of embryonic development in ticks (Acarina: Ixodoidea)’, Onderstepoort Journal of Veterinary Research, vol. 42, no. 3, pp. 103-107.en_ZA
dc.identifier.issn0330-2465
dc.identifier.urihttp://hdl.handle.net/2263/53736
dc.language.isoenen_ZA
dc.publisherPublished by The Government Printer, Pretoriaen_ZA
dc.rights©1975 ARC-Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). ©2016 University of Pretoria. Department of Library Services (digital).en_ZA
dc.subjectVeterinary medicineen_ZA
dc.subject.lcshVeterinary medicine -- South Africa
dc.titleA rapid spectrophotometric method for the monitoring of embryonic development in ticks (Acarina : Ixodoidea)en_ZA
dc.typeArticleen_ZA

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