Studies on Haemonchus contortus. V. Chemoprophylaxis and its effect on worm egg counts and the haematocrit

dc.contributor.authorReinecke, R.K.
dc.contributor.authorDe Villiers, I.L.
dc.contributor.authorBruckner, Christel
dc.contributor.editorBigalke, R.D.
dc.contributor.editorCameron, Colin McKenzie
dc.contributor.editorGilchrist, Frances M.C.
dc.contributor.editorMorren, A.J.
dc.contributor.editorVerster, Anna J.M.
dc.contributor.editorVerwoerd, Daniel Wynand
dc.contributor.editorWalker, Jane B.
dc.contributor.otherSteyn, P.J.J.
dc.date.accessioned2016-03-15T10:08:21Z
dc.date.available2016-03-15T10:08:21Z
dc.date.created2016
dc.date.issued1981
dc.descriptionThe articles have been scanned in colour with a HP Scanjet 5590; 600dpi. Adobe Acrobat XI Pro was used to OCR the text and also for the merging and conversion to the final presentation PDF-format.en_ZA
dc.description.abstractA group of 12 10-month-old, worm-free Merino lambs were given a single injection of disophenol at 10 mg/kg. This group and another group of 12 worm-free lambs were infested with infective larvae of Haemonchus contortus 1- 3 times a week with a maximum dose of 4000/week from 0-91 days. From 95-168 days the dose was increased to a maximum of 6000/week. Every 7 days faeces were examined for worm eggs and blood samples for haematocrit (Ht). Worm egg counts in the controls rose from 21-56 days, fluctuated, and rose to another peak at 84 days, while the Ht fell from 28 days to rise again after 105 days. In the group treated with disophenol egg counts were negative until 161 days and Ht remained at normal values throughout.en_ZA
dc.description.sponsorshipUniversity of Pretoria.en_ZA
dc.identifier.citationReinecke, RK, Bruckner, C & De Villiers, IL 1981, 'Studies on Haemonchus contortus. V. Chemoprophylaxis and its effect on worm egg counts and the haematocrit’, Onderstepoort Journal of Veterinary Research, vol. 48, no. 4, pp. 235-238.en_ZA
dc.identifier.issn0330-2465
dc.identifier.urihttp://hdl.handle.net/2263/51873
dc.language.isoenen_ZA
dc.publisherPublished by The Government Printer, Pretoriaen_ZA
dc.rights©ARC - Onderstepoort and Faculty of Veterinary Science, University of Pretoria (original). ©University of Pretoria. Dept. of Library Services (digital).en_ZA
dc.subjectVeterinary medicineen_ZA
dc.subject.lcshVeterinary medicine -- South Africa
dc.titleStudies on Haemonchus contortus. V. Chemoprophylaxis and its effect on worm egg counts and the haematocriten_ZA
dc.typeArticleen_ZA

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