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Abstract

In this study, packed cell volume-values (PCV) are evaluated as indicator of trypanosomiasis infections in cattle. A total of 734 blood samples were collected in 11 different sampling sites in eastern Zambia: 84 calves (<1 year), 52 young females and 40 young males (between 1 and 3 years), 228 cows, 317 oxen and 13 bulls (>3 years). All samples were subjected to three diagnostic tests: parasitological ...

Author(s)
Marcotty, T.; Simukoko, H.; Berkvens, D.; Vercruysse, J.; Praet, N.; Bossche, P. van den
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2008, 87, 3/4, pp 288-300
Abstract

A molecular epidemiological study was conducted on 100 dairy (499 calves) and 50 beef (333 calves) farms in Belgium to estimate the prevalence of different Giardia duodenalis assemblages in calves younger than 10 weeks of age. Positive samples from the epidemiological study and from a previous...

Author(s)
Geurden, T.; Geldhof, P.; Levecke, B.; Martens, C.; Berkvens, D.; Casaert, S.; Vercruysse, J.; Claerebout, E.
Publisher
Elsevier, Oxford, UK
Citation
International Journal for Parasitology, 2008, 38, 2, pp 259-264
Abstract

A Bayesian approach was used to evaluate four immunological assays for the clinical diagnosis of cryptosporidiosis in calves: an immunofluorescence assay (IFA), two ELISA tests and an immunochromatographic (dipstick) assay. Faecal samples from 287 calves aged less than 6 weeks with clinical signs...

Author(s)
Geurden, T.; Claerebout, E.; Vercruysse, J.; Berkvens, D.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Journal, 2008, 176, 3, pp 400-402
Abstract

The prevalence of Cryptosporidium in calves and the test properties of six diagnostic assays (microscopy (ME), an immunofluorescence assay (IFA), two ELISA and two PCR assays) were estimated using Bayesian analysis. In a first Bayesian approach, the test results of the four conventional techniques...

Author(s)
Geurden, T.; Berkvens, D.; Geldhof, P.; Vercruysse, J.; Claerebout, E.
Publisher
EDP Sciences, Les Ulis, France
Citation
Veterinary Research, 2006, 37, 5, pp 671-682
Abstract

A Bayesian approach was used to determine both the test properties of three diagnostic test procedures and the prevalence of Giardia duodenalis in dairy calves in Belgium. A cross-sectional survey was conducted in the province of East Flanders, Belgium. Between September 2001 and December 2003, a...

Author(s)
Geurden, T.; Claerebout, E.; Vercruysse, J.; Berkvens, D.
Publisher
Elsevier Science Ltd, Oxford, UK
Citation
International Journal for Parasitology, 2004, 34, 10, pp 1121-1127
Abstract

The prevalence of Cryptosporidium in calves younger than 10 weeks was estimated in a cross-sectional epidemiological study on 100 dairy (n=499) and 50 beef (n=333) farms in East Flanders (Belgium), using a previously evaluated immunofluorescence assay (Merifluor®). The calf prevalence was 37% (95%...

Author(s)
Geurden, T.; Berkvens, D.; Martens, C.; Casaert, S.; Vercruysse, J.; Claerebout, E.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2007, 134, 14, pp 1981-1987
Abstract

Serological surveys using the schizont indirect fluorescence antibody test (IFAt) are routinely carried out to monitor the Theileria parva infection prevalence. The present study evaluates the diagnostic accuracy of the IFAt in eastern Zambia, where the transmission of T. parva is highly seasonal....

Author(s)
Billiouw, M.; Brandt, J.; Vercruysse, J.; Speybroeck, N.; Marcotty, T.; Mulumba, M.; Berkvens, D.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2005, 127, 3/4, pp 189-198
Abstract

This paper presents the results of the follow-up of 3 sentinel herds between 1994 and 2000 during an East Coast fever (ECF) epidemic in eastern Zambia. The animals of the sentinel herds were closely monitored clinically and serologically together with detailed Rhipicephalus appendiculatus counts....

Author(s)
Billiouw, M.; Vercruysse, J.; Marcotty, T.; Speybroeck, N.; Chaka, G.; Berkvens, D.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2002, 107, 1/2, pp 51-63

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