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Abstract

The main objective of the present study was to evaluate the accuracy of the faecal egg count reduction test (FECRT) to assess the resistance status of ivermectin (IVM)-resistant isolates of the cattle nematodes Ostertagia ostertagi and Cooperia oncophora, using the controlled efficacy test (worm...

Author(s)
Graef, J. de; Sarre, C.; Mills, B. J.; Mahabir, S.; Casaert, S.; Wilde, N. de; Weyenberg, M. van; Geldhof, P.; Marchiondo, A.; Vercruysse, J.; Meeus, P.; Claerebout, E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2012, 189, 2/4, pp 378-382
Abstract

Predictive models of parasite life cycles increase our understanding of how parasite epidemiology is influenced by global changes and can be used to support decisions for more targeted worm control. Estimates of parasite population dynamics are needed to parameterize such models. The aim of this...

Author(s)
Verschave, S. H.; Vercruysse, J.; Claerebout, E.; Rose, H.; Morgan, E. R.; Charlier, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2014, 44, 14, pp 1091-1104
Abstract

With the increasing incidence of anthelmintic resistance worldwide, immunological control of worm infections through vaccination is often put forward as a rational and cost-effective alternative for anthelmintic drugs. In this study we report on the evaluation of a double-domain...

Author(s)
Vlaminck, J.; Borloo, J.; Vercruysse, J.; Geldhof, P.; Claerebout, E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2015, 45, 4, pp 209-213
Abstract

The problem of anthelmintic resistance has so far received little attention in Belgium mainly because of the relative unimportance of the small ruminant production in this country. However, small surveys in horses and sheep have indicated that benzimidazole resistance is relatively widespread in...

Author(s)
Dorny, P.; Vercruysse, J.
Publisher
Directorate-General Information, Communication, Culture and Audiovisual, European Commission, Brussels, Belgium
Citation
Anthelmintic resistance in nematodes of farm animals. A seminar organised for the European Commission, held in Brussels, Belgium, from 8 to 9 November, 1993., 1994, pp 41-46
Abstract

Development of immunity to Ostertagia ostertagi and Cooperia oncophora and interactions between both species in primed calves were investigated after homologous, heterologous and concurrent challenge infections. Worm counts, faecal egg output, IgG1 and IgG2 antibodies and the presence of globule...

Author(s)
Hilderson, H.; Vercruysse, J.; Claerebout, E.; Graaf, D. C. de; Fransen, J.; Berghen, P.
Citation
Veterinary Parasitology, 1995, 56, 1/3, pp 107-119
Abstract

Cooperia oncophora total adult extracts were examined by Western blotting with sera from C. oncophora- and Ostertagia ostertagi-infected calves to determine species-specific antigens. It was shown that 2 antigens with apparent MWs of 14 200 and 14 900 were only recognized by calves which received a ...

Author(s)
Graaf, D. C. de; Berghen, P.; Hilderson, H.; Cock, H. de; Vercruysse, J.
Citation
International Journal for Parasitology, 1993, 23, 1, pp 141-144
Abstract

Antigenic differences between the developmental stages of O. ostertagi were studied by SDS-PAGE and Western blotting. Gel electrophoresis showed a complex protein pattern different for every stage with the O. ostertagi fourth stage larvae (L4) showing an intermediate protein pattern between the...

Author(s)
Hilderson, H.; Graaf, D. C. de; Vercruysse, J.; Berghen, P.
Citation
Research in Veterinary Science, 1993, 55, 2, pp 203-208
Abstract

Ostertagia ostertagi adult worm extracts were analysed by Western blotting using sera from calves experimentally infected with O. ostertagi and Cooperia oncophora. Strong differences in antigen recognition were noticed, even between animals from the same group. Two Ostertagia specific antigens with ...

Author(s)
Graaf, D. C. de; Berghen, P.; Hilderson, H.; Claerebout, E.; Vercruysse, J.
Citation
International Journal for Parasitology, 1994, 24, 5, pp 681-688
Abstract

The inverse relationship between the intensive use of modern anthelmintics and the build up of immunity to gastrointestinal nematodes in cattle is discussed. Manifestations of immunity, humoral reactions, cell-mediated reactions, control, and chemoprophylaxis and immunity are discussed. It is...

Author(s)
Vercruysse, J.; Hilderson, H.; Claerebout, E.
Citation
Parasitology Today, 1994, 10, 4, pp 129-132
Abstract

Thirty parasite-naive Holstein-cross heifers aged 7 to 12 months were allocated into 3 groups and were treated with either an oxfendazole pulse release bolus (Repidose) administered orally at turnout or ivermectin (Ivomec) injected s.c. at 200 µg/kg at 3, 8 and 13 weeks after turnout or untreated...

Author(s)
Hollanders, W.; Berghen, P.; Dorny, P.; Hilderson, H.; Vercruysse, J.; Ryan, W. G.
Citation
Veterinary Record, 1992, 130, 16, pp 355-356

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