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Abstract

Due to the intensification of dairy herds and the recognition of subclinical infections with a negative impact on production as disease, control of gastrointestinal (GI) nematodes in adult cows is becoming established in an increasing number of dairy herds. The objectives of this paper are to...

Author(s)
Charlier, J.; Höglund, J.; Samson-Himmelstjerna, G. von; Dorny, P.; Vercruysse, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2009, 164, 1, pp 70-79
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

Increasing threats from anthelmintic resistant nematode populations warrant and motivate a reappraisal of chemotherapeutic strategies for nematode control in ruminant livestock and horses. The objective of this paper is to present a guideline for the evaluation of products containing two or more...

Author(s)
Geary, T. G.; Hosking, B. C.; Skuce, P. J.; Samson-Himmelstjerna, G. von; Maeder, S.; Holdsworth, P.; Pomroy, W.; Vercruysse, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2012, 190, 1/2, pp 306-316
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 present study aimed to obtain data on the occurrence of Giardia duodenalis in calves in four major cattle rearing countries in Europe (Germany, UK, France and Italy), along with genotyping data and risk factors associated with these infections. A total of 2072 calves were sampled on 207 farms....

Author(s)
Geurden, T.; Vanderstichel, R.; Pohle, H.; Ehsan, A.; Samson-Himmelstjerna, G. von; Morgan, E. R.; Camuset, P.; Capelli, G.; Vercruysse, J.; Claerebout, E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2012, 190, 3/4, pp 383-390
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
Abstract

The objective of this study was to determine the prevailing levels of infection with Ostertagia ostertagi in first-season grazing calves and related management factors in three European countries (Belgium, Germany and Sweden). A cross-sectional survey was performed in first-season grazing dairy ...

Author(s)
Charlier, J.; Demeler, J.; Höglund, J.; Samson-Himmelstjerna, G. von; Dorny, P.; Vercruysse, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2010, 171, 1/2, pp 91-98
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

The serum pepsinogen level is widely accepted as a useful parameter for monitoring gastrointestinal nematode infections in first-season grazing calves. However, several aspects, with possible implications for its practicality and the way to use the pepsinogen test, have received little attention to ...

Author(s)
Charlier, J.; Dorny, P.; Levecke, B.; Demeler, J.; Samson-Himmelstjerna, G. von; Höglund, J.; Vercruysse, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2011, 90, 3, pp 451-456

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