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Abstract

This paper discusses the potential of decision trees that integrate grazing management and parasite control to promote rational use of antiparasitic agents and prevent drug resistance in grazing farm animals. A web-based decision tree for the control of gastrointestinal and lung nematode infections ...

Author(s)
Ploeger, H. W.; Doorn, D. C. K. van; Nijsse, E. R.; Eysker, M.
Publisher
Elsevier, Oxford, UK
Citation
Trends in Parasitology, 2008, 24, 5, pp 203-204
Abstract

A brief overview is presented of suspected resistance problems with sheep, goats, cattle and horses on Dutch and Eurpean farms. Preventative measures and the use of decision thresholds are discussed.

Author(s)
Eysker, M.; Doorn, D. van; Ploeger, H.
Publisher
Koninklijke Nederlandse Maatschappij voor Diergeneeskunde, Utrecht, Netherlands
Citation
Veehouder en Dierenarts, 2007, 21, 2, pp 23-26
Abstract

After primary infection with 100 000 third stage larvae of the intestinal nematode Cooperia oncophora in 3-month-old calves, a high variability in egg output and worm counts is observed. Based on this variability, infected animals can be divided in different responder types. The three major...

Author(s)
Kanobana, K.; Vervelde, L.; Veer, M. van der; Eysker, M.; Ploeger, H. W.
Publisher
Blackwell Science, Oxford, UK
Citation
Parasite Immunology, 2001, 23, 12, pp 641-653
Abstract

In organic farming grazing is essential for ruminants, while for pigs and fowl an outdoor-run has to be available. This provokes a higher infection risk for endoparasites. Endoparasite control has to consider the restrictions of the rules for organic production. Preventive treatment with...

Author(s)
Koopmann, R.; Eysker, M.; Hertzberg, H.; Höglund, J.; Mackay, A.; Samson-Himmelstjerna, G. von; Thamsborg, S.
Publisher
Bundesforschungsanstalt für Landwirtschaft (FAL), Braunschweig, Germany
Citation
Landbauforschung Völkenrode, 2007, 57, 4, pp 429-433
Abstract

Three groups of four calves each were trickle infected with three different levels of Cooperia punctata: 310 (group A), 1250 (group B) and 5000 (group C) third stage infective larvae (L3) twice a week over a 17-week period. Group D was the non-infected control group. Parasitological parameters as...

Author(s)
Yatsuda, A. P.; Kooyman, F. N. J.; Ploeger, H. W.; Vieira-Bressan, M. C. R.; Vries, E. de; Eysker, M.
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2002, 105, 2, pp 131-138
AbstractFull Text

Author(s)
Dijkstra, T.; Bartels, C. J. M.; Barkema, H. W.; Eysker, M.; Winkel, A.; Wouda, W.
Publisher
International Society for Veterinary Epidemiology and Economics (ISVEE), Colorado, USA
Citation
Proceedings of the 9th Symposium of the International Society for Veterinary Epidemiology and Economics, Breckenridge, Colorado, USA, August 6-11 2000, 2000, pp ld 622
Abstract

A model simulating Dictyocaulus viviparus infection in calves is described. This paper only deals with the parasitic phase of the life-cycle. Descriptions are given for establishment, development rate of juvenile stages, mortality rates of both juvenile and adult stages, and fecundity. Literature...

Author(s)
Ploeger, H. W.; Eysker, M.
Citation
Parasitology, 2000, 120, supplement, pp S3-S15
Abstract

A simple and robust method for the isolation of gastro-intestinal nematode eggs from faeces is described that uses both salt- and sugar solutions for flotation. Application of this 'salt-sugar' isolation method to large numbers of faecal samples of adult dairy cows indicates a 3- or 4-fold...

Author(s)
Mes, T. H. M.; Ploeger, H. W.; Terlou, M.; Kooyman, F. N. J.; Ploeg, M. P. J. van der; Eysker, M.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Parasitology, 2001, 123, 3, pp 309-314
Abstract

Case Description - The owner of a herd of 74 Holstein-Friesian cattle reported decreased milk production, weight loss, and coughing among lactating cows. Owner-initiated antimicrobial treatment was unsuccessful; 1 lactating cow died, and 50% of the lactating cows had clinical signs of respiratory...

Author(s)
Wapenaar, W.; Barkema, H. W.; Eysker, M.; O'Handley, R. M.
Publisher
American Veterinary Medical Association, Schaumburg, USA
Citation
Journal of the American Veterinary Medical Association, 2007, 231, 11, pp 1715-1718
Abstract

The recognition of low molecular weight proteins by sera obtained during a single oral (primary) infection with 100 000 third-stage larvae of Cooperia oncophora was studied in calves. Three groups of 6 or 7 calves were selected, based on different egg excretion patterns. SDS-gel electrophoresis of...

Author(s)
Diemen, P. M. van; Ploeger, H. W.; Nieuwland, M. G. B.; Rietveld, F. W.; Eysker, M.; Kooyman, F. N. J.; Kloosterman, A.; Parmentier, H. K.
Citation
International Journal for Parasitology, 1997, 27, 5, pp 587-593

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