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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

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
CABI Book Chapter Info
Cover for General efficacy of the macrocyclic lactones to control parasites of cattle.

Author(s)
Vercruysse, J.; Rew, R.
ISBN
2002 CAB International (H ISBN 0851996175)
Type
Book chapter
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

Faecal egg count reduction tests (FECRT) using ivermectin (IVM) and benzimidazole (BZ) were conducted to investigate the prevalence of anthelmintic resistance in gastro-intestinal nematodes on cattle farms in Germany, Belgium and Sweden in 2006 and 2007. Based on sufficient numbers of eggs prior to ...

Author(s)
Demeler, J.; Zeveren, A. M. J. van; Kleinschmidt, N.; Vercruysse, J.; Höglund, J.; Koopmann, R.; Cabaret, J.; Claerebout, E.; Areskog, M.; Samson-Himmelstjerna, G. von
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2009, 160, 1/2, pp 109-115
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
CABI Book Chapter Info
Cover for Use of macrocyclic lactones to control cattle parasites in South America.

Author(s)
Eddi, C.; Nari, A.; Caracostantogolo, J.
ISBN
2002 CAB International (H ISBN 0851996175)
Type
Book chapter
CABI Book Chapter Info
Cover for The use of macrocyclic lactones to control parasites of domesticated wild ruminants.

Author(s)
Marley, S. E.; Conder, G. A.
ISBN
2002 CAB International (H ISBN 0851996175)
Type
Book chapter
Abstract

In a study carried out in Belgium, 2 groups of second grazing season cattle, which had been treated with an ivermectin-sustained-release bolus (ISRB) in their first grazing season, were monitored during consecutive years (1995 and 1996) on the same second grazing season pasture. In the preceding...

Author(s)
Claerebout, E.; Dorny, P.; Agneessens, J.; Demeulenaere, D.; Vercruysse, J.
Citation
Veterinary Parasitology, 1999, 80, 4, pp 289-301
Abstract

The persistent efficacy of 4 commercially available macrocyclic lactones (ML) in maintaining reduced faecal egg counts in cattle grazing naturally infested pastures was evaluated in 44 zebu animals aged 1-2 years in Zambia. The study started in February (rainy season) when the strongyle egg output...

Author(s)
Meeus, P. F. M.; Bont, J. de; Vercruysse, J.
Citation
Veterinary Parasitology, 1997, 70, 4, pp 219-224

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