Persistent anthelmintic effect of ivermectin in cattle

dc.contributor.authorSwan, Gerry E.
dc.contributor.authorHarvey, R.G.
dc.date.accessioned2010-12-20T09:12:22Z
dc.date.available2010-12-20T09:12:22Z
dc.date.issued1983-12
dc.description.abstractThe persistent anthelmintic effect of ivermectin given subcutaneously at 200 µg/kg was evaluated against induced infections of Haemonchus placei, Ostertagia ostertagi, Cooperia pectinata, C. punctata, Bunostomum phlebotomum and Oesophagostomum radiatum in cattle. Forty-four Friesian bull calves raised under worm-free conditions were restrictively randomized to one untreated control group and 3 ivermectin treated groups of equal size according to mass. Animals in the different treated groups were treated either 9, 7 or 5 d before infection, which was induced in all animals on the same day. Nine days after treatment the effect of ivermectin was virtually undiminished against O. ostertagi and B. phlebotomum and 7 d after treatment against Cooperia spp. Counts of all worms were reduced by 99% or more following the treatment given 5 d before infection. According to the non parametric method, 80% efficacy in 80% of the treated animals were achieved against all 5 worms up to 7 d after treatment and against O. ostertagi and B. phlebotomum up to 9 d after treatment.en_US
dc.identifier.citationSwan, GE 1983, 'Persistent anthelmintic effect of ivermectin in cattle', Journal of the South African Veterinary Association, vol. 54 , no. 4, pp. 249-250. [http://www.journals.co.za/ej/ejour_savet.html]en_US
dc.identifier.issn0038-2809
dc.identifier.other7102127047
dc.identifier.otherI-7222-2013 
dc.identifier.urihttp://hdl.handle.net/2263/15447
dc.language.isoenen_US
dc.publisherSouth African Veterinary Associationen_US
dc.rightsSouth African Veterinary Associationen_US
dc.subjectBunostomum phlebotomumen_US
dc.subjectPersistent anthelmintic effecten_US
dc.subjectIvermectinen_US
dc.subjectHaemoncus placeien_US
dc.subjectOstertagia ostertagien_US
dc.subjectCooperia pectinataen_US
dc.subjectCooperia punctataen_US
dc.subjectVeterinary helminthologyen_US
dc.titlePersistent anthelmintic effect of ivermectin in cattleen_US
dc.typeArticleen_US

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