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Abstract

Resistance to modern anthelmintics by ruminant nematode parasites is an increasing problem throughout the world. To date the problem has largely been reported in parasites of small ruminants, but there are increasing reports of such resistance in nematodes recovered from cattle. Until now there...

Author(s)
Gasbarre, L. C.; Smith, L. L.; Lichtenfels, J. R.; Pilitt, P. A.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2009, 166, 3/4, pp 281-285
Abstract

Resistance to anthelmintics is an increasing problem in sheep, goat and cattle industries worldwide. For parasite management on farms reliable methods for the detection of resistance are required and it is important that tests give comparable, reproducible and reliable results in different...

Author(s)
Demeler, J.; Küttler, U.; El-Abdellati, A.; Stafford, K.; Rydzik, A.; Varady, M.; Kenyon, F.; Coles, G.; Höglund, J.; Jackson, F.; Vercruysse, J.; Samson-Himmelstjerna, G. von
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 174, 1/2, pp 58-64
Abstract

Benzimidazole (BZ) resistance is highly prevalent in cyathostomine populations of horses and trichostrongyle populations (mainly Haemonchus) of sheep in Germany, Austria and Switzerland. Multiple resistance against BZ, levamisole or macrocyclic lactones (ML) was found in a few sheep or goat farms...

Author(s)
Bauer, C.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2004, 32, 6, pp 306-311
Abstract

The pharmacokinetics of doramectin, a novel avermectin, were evaluated following parenteral administration to calves in a range of oil-based formulations in an attempt to optimize the formulation. Therapeutic and persistent efficacies against Cooperia oncophora in cattle were also evaluated. This...

Author(s)
Wicks, S. R.; Kaye, B.; Weatherley, A. J.; Lewis, D.; Davison, E.; Gibson, S. P.; Smith, D. G.
Citation
Veterinary Parasitology, 1993, 49, 1, pp 17-26
Abstract

Two experiments were carried out in consecutive years in parasitised calves grazing on pasture heavily contaminated with infective larvae of parasitic nematodes. In the first experiment 20 calves were injected with 1% moxidectin solution at a dose rate of 0.2 mg/kg, 10 untreated calves which were...

Author(s)
Taylor, S. M.; Kenny, J.; Edgar, H.
Citation
Veterinary Record, 1993, 133, 9, pp 216-217
Abstract

Two studies were performed to investigate the efficacy of doramectin in the prevention of infection with Ostertagia ostertagi and Cooperia oncophora in grazing calves. In each study 24 parasite-naive calves were randomly allotted to 2 equal groups and treated with either doramectin at 200 µg/kg or...

Author(s)
Vercruysse, J.; Dorny, P.; Hong, C.; Harris, T. J.; Hammet, N. C.; Smith, D. G.; Weatherley, A. J.
Citation
Veterinary Parasitology, 1993, 49, 1, pp 51-59
Abstract

A morantel tartrate bolus was administered to nine calves aged 4-5 months, before turning out in June. These and 9 untreated calves were subject to rotational grazing on 8 plots previously grazed by adult cattle. Faecal egg counts remained lower than those of the controls for 3 months. Some calves...

Author(s)
Hertzberg, H.; Durgiai, B.; Kohler, L.
Citation
Schweizer Archiv für Tierheilkunde, 1992, 134, 8, pp 375-380
Abstract

The duration of the anthelmintic activity of abamectin administered by sc injection at 200 µg/kg was determined using induced infections of Haemonchus placei, Ostertagia ostertagi, Cooperia spp., and Oesophagostomum radiatum in cattle. 24 Friesian calves, raised under worm-free conditions, were...

Author(s)
Eagleson, J. S.; Scott, P. G.; Gross, S. J.
Citation
New Zealand Veterinary Journal, 1992, 40, 1, pp 21-23
Abstract

Persistence of ivermectin anthelmintic activity in injectable and pour-on formulations against experimental infections of gastrointestinal nematodes in cattle was investigated in 5 groups of 6 calves each. Two groups were treated with the injectable or pour-on product at 14 days before experimental ...

Author(s)
Williams, J. C.
Citation
Louisiana Agriculture, 1992, 35, 5, pp 15-18
Abstract

Three groups of 11 naturally infected crossbred beef calves were injected subcutaneously with moxidectin 1% injectable at 0.2 or 0.3 mg moxidectin/kg bodyweight or with the unmedicated vehicle. Nematode infections had been acquired during grazing from December to April. Based on the faecal egg...

Author(s)
Williams, J. C.; Barras, S. A.; Wang, G. T.
Citation
Veterinary Record, 1992, 131, 15, pp 345-347

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