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Abstract

Gastrointestinal nematodes are a significant threat to the economic and environmental sustainability of keeping livestock, as adequate control becomes increasingly difficult due to the development of anthelmintic resistance in some systems and climate-driven changes to infection dynamics. To...

Author(s)
Vineer, H. R.; Verschave, S. H.; Claerebout, E.; Vercruysse, J.; Shaw, D. J.; Charlier, J.; Morgan, E. R.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2020, 50, 2, pp 133-144
Abstract

Cooperia oncophora is one of the most common intestinal nematodes in cattle. It is also the dose-limiting species for the most frequently used anthelmintics, and consequently, the species usually involved in reports of anthelmintic resistance. However, little information is available on its...

Author(s)
Verschave, S. H.; Rose, H.; Morgan, E. R.; Claerebout, E.; Vercruysse, J.; Charlier, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2016, 223, pp 111-114
Abstract

Assessing levels of pasture larval contamination is frequently used to study the population dynamics of the free-living stages of parasitic nematodes of livestock. Direct quantification of infective larvae (L3) on herbage is the most applied method to measure pasture larval contamination. However,...

Author(s)
Verschave, S. H.; Levecke, B.; Duchateau, L.; Vercruysse, J.; Charlier, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2015, 210, 3/4, pp 159-166
Abstract

Control of helminth infections is a major task in livestock production to prevent health constraints and economic losses. However, resistance to established anthelmintic substances already impedes effective anthelmintic treatment in many regions worldwide. Thus, there is an obvious need for...

Author(s)
Demeler, J.; Krüger, N.; Krücken, J.; Heyden, V. C. von der; Ramünke, S.; Küttler, U.; Miltsch, S.; López Cepeda, M.; Knox, M.; Vercruysse, J.; Geldhof, P.; Harder, A.; Samson-Himmelstjerna, G. von
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2013, 8, 8, pp e70212
Abstract

Members of the ATP-binding cassette (ABC) transporter family (P-glycoproteins, Half-transporters and Multidrug Resistant Proteins) potentially play a role in the development of anthelmintic resistance. The aim of this study was to investigate the possible involvement of ABC transporters in...

Author(s)
Graef, J. de; Demeler, J.; Skuce, P.; Mitreva, M.; Samson-Himmelstjerna, G. von; Vercruysse, J.; Claerebout, E.; Geldhof, P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2013, 140, 4, pp 499-508
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

Ivermectin (IVM) resistance is an emerging problem for the control of gastrointestinal nematodes of cattle such as Cooperia oncophora and Ostertagia ostertagi. Although there is still a poor understanding of the molecular basis of macrocyclic lactone (ML)-resistance, it is clear that IVM exerts its ...

Author(s)
El-Abdellati, A.; Graef, J. de; Zeveren, A. van; Donnan, A.; Skuce, P.; Walsh, T.; Wolstenholme, A.; Tait, A.; Vercruysse, J.; Claerebout, E.; Geldhof, P.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2011, 41, 9, pp 951-957
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

In this study we have used the faecal egg count reduction test (FECRT) to monitor the evolution of ivermectin resistance on a Belgian cattle farm between 2006 and 2009. The presence of ivermectin resistant Cooperia oncophora worms on this farm was first detected in 2006. During the following years, ...

Author(s)
El-Abdellati, A.; Geldhof, P.; Claerebout, E.; Vercruysse, J.; Charlier, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 171, 1/2, pp 167-171
Abstract

Anthelmintic resistant cattle nematodes have been reported in different regions around the world. However, in Western Europe the assessment of the problem relies largely on case reports and no prevalence data based on wide-scale surveys are available. Therefore, we performed a survey to (1) screen...

Author(s)
El-Abdellati, A.; Charlier, J.; Geldhof, P.; Levecke, B.; Demeler, J.; Samson-Himmelstjerna, G. von; Claerebout, E.; Vercruysse, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 169, 3/4, pp 352-357

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