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Abstract

The aim of the current study was to estimate economic costs of Ostertagia ostertagi and Fasciola hepatica infections in dairy cattle herds in Germany using the online calculation programme Paracalc®. Following a questionnaire, survey data were available from 464 farms in 14 federal states. On those ...

Author(s)
Fanke, J.; Charlier, J.; Steppin, T.; Samson-Himmelstjerna, G. von; Vercruysse, J.; Demeler, J.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2017, 240, pp 39-48
Abstract

Ostertagia ostertagi is considered one of the most economically important bovine parasites. As an alternative to anthelmintic treatment, an experimental host-protective vaccine was previously developed on the basis of ASP proteins derived from adult worms. Intramuscular injection of this vaccine,...

Author(s)
Meulder, F. van; Coppernolle, S. van; Borloo, J.; Rinaldi, M.; Li, R. W.; Chiers, K.; Broeck, W. van den; Vercruysse, J.; Claerebout, E.; Geldhof, P.
Publisher
American Society for Microbiology (ASM), Washington, USA
Citation
Infection and Immunity, 2013, 81, 5, pp 1798-1809
Abstract

Helminth parasites of grazing ruminants are highly prevalent globally and impact negatively on animal productivity and food security. There is a growing concern that climate change increases helminth disease frequency and intensity. In Europe, these concerns stem from case reports and theoretical...

Author(s)
Charlier, J.; Ghebretinsae, A. H.; Levecke, B.; Ducheyne, E.; Claerebout, E.; Vercruysse, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2016, 46, 13/14, pp 881-888
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

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

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

The transthyretin-like (ttl) gene family is one of the largest conserved nematode-specific gene families, coding for a group of proteins with significant sequence similarity to transthyretins (TTR) and transthyretin-related proteins (TRP). In the present study, we investigated the ttl family in ...

Author(s)
Saverwyns, H.; Visser, A.; Durme, J. van; Power, D.; Morgado, I.; Kennedy, M. W.; Knox, D. P.; Schymkowitz, J.; Rousseau, F.; Gevaert, K.; Vercruysse, J.; Claerebout, E.; Geldhof, P.
Publisher
Elsevier, Oxford, UK
Citation
International Journal for Parasitology, 2008, 38, 13, pp 1545-1556
Abstract

Before revised World Association for the Advancement of Veterinary Parasitology (WAAVP) guidelines on the detection of anthelmintic resistance can be produced, validation of modified and new methods is required in laboratories in different parts of the world. There is a great need for improved...

Author(s)
Coles, G. C.; Jackson, F.; Pomroy, W. E.; Prichard, R. K.; Samson-Himmelstjerna, G. von; Silvestre, A.; Taylor, M. A.; Vercruysse, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2006, 136, 3/4, pp 167-185
Abstract

The importance of L3, L4 and adult stages of Mecistocirrus digitatus in inducing resistance to reinfection was examined in 3 groups of 5 calves (A, B, C) which were immunized for 2 consecutive days with a daily dose of 20 000 M. digitatus infective larvae. Group A was treated with ivermectin at 7...

Author(s)
Aken, D. van; Vercruysse, J.; Dargantes, A.; Valdez, L.; Flores, A.; Shaw, D. J.
Citation
Parasitology, 1998, 117, 1, pp 83-87

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