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Abstract

An ELISA was used to detect serum pepsinogen and albumen, gastrin and antibodies against Cooperia, Ostertagia and Dictyocaulus species for diagnosis of parasitism in 7 untreated 5-8 month old calves and 7 calves treated with an oxfendazole pulse-release bolus (OPRB). During the grazing season, no...

Author(s)
Hilderson, H.; Vercruysse, J.; Dorny, P.; Berghen, P.; Kloosterman, A.
Citation
Preventive Veterinary Medicine, 1990, 8, 4, pp 283-290
Abstract

The value and application of pepsinogen, gastrin and antibody response as diagnostic tools in bovine ostertagiasis are discussed. These 3 parameters are useful and comparable for confirming clinical disease in calves during their first grazing season. However, their value for detecting subclinical...

Author(s)
Berghen, P.; Hilderson, H.; Vercruysse, J.; Dorny, P.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 175-195
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

Various parameter estimates were assessed at housing in calves that had been exposed to gastrointestinal nematodes during a first grazing season. The data, which was collected from 20 studies, involved analysis of 41 groups of first grazing season (FGS) calves on 15 different farms in Belgium, and...

Author(s)
Dorny, P.; Shaw, D. J.; Vercruysse, J.
Citation
Veterinary Parasitology, 1999, 80, 4, pp 325-340
Abstract

The present study reports on the development of a copro-antigen capture ELISA for detecting Ostertagia ostertagi infections in cattle. The ELISA was based on polyclonal rabbit antibodies, which recognize O. ostertagi excretory/secretory (ES) antigens. ES antigens are released by the metabolic...

Author(s)
Agneessens, J.; Claerebout, E.; Vercruysse, J.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2001, 97, 3, pp 227-238
Abstract

An indirect Ostertagia ostertagi ELISA on milk is a promising diagnostic tool in bovine parasitology. Interpretation of the test results requires a good knowledge of the test characteristics. In this study, border effects, the repeatability of the ELISA and the effect of different factors such as...

Author(s)
Charlier, J.; Duchateau, L.; Claerebout, E.; Vercruysse, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2005, 68, 2/4, pp 277-288
Abstract

A cross-sectional questionnaire survey was performed on dairy herds in Flanders (Belgium) to detect management factors that are associated with an increased gastrointestinal parasite infection level of adult dairy cows. At the end of the grazing season, information concerning general herd factors,...

Author(s)
Charlier, J.; Claerebout, E.; Mûelenaere, E. de; Vercruysse, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2005, 133, 1, pp 91-100
Abstract

Antibody levels against Ostertagia ostertagi in the milk are a promising parameter to identify dairy cows or herds with production losses due to gastrointestinal nematodes. However, milk antibody levels can be influenced by udder-related factors. In this study, the effect of an experimentally...

Author(s)
Charlier, J.; Duchateau, L.; Vangroenweghe, F.; Claerebout, E.; Burvenich, C.; Vercruysse, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2006, 136, 2, pp 161-165
Abstract

Measurement of antibodies to Ostertagia ostertagi in bulk tank milk (BTM) has value as a diagnostic indicator for potential production losses and anthelmintic treatment responses in dairy herds. Most of the recent data on O. ostertagi antibodies in milk have been generated in Belgium and Canada;...

Author(s)
Forbes, A. B.; Vercruysse, J.; Charlier, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2008, 157, 1/2, pp 100-107
Abstract

Fasciola hepatica, Ostertagia ostertagi and Dictyocaulus viviparus are helminth parasites with a wide distribution and an important economic impact in cattle in temperate climates. This paper describes the spatial distribution of F. hepatica, O. ostertagi and D. viviparus in dairy herds in Flanders ...

Author(s)
Bennema, S.; Vercruysse, J.; Claerebout, E.; Schnieder, T.; Strube, C.; Ducheyne, E.; Hendrickx, G.; Charlier, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2009, 165, 1/2, pp 51-57

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