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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

Fifty-one calves were each inoculated with 100 000 Cooperia spp. larvae to determine resistance (the larvae were 70% C. oncophora and 30% C. surnabada). 12 resistant and 12 non-resistant animals were selected and treated twice with omnizole. In groups of 4 these calves were dosed on 3 days/week...

Author(s)
Kloosterman, A.; Van den Brink, R.
Publisher
Martinus Nijhoff for the Commission of the European Communities., The Hague, Netherlands
Citation
Epidemiology and control of nematodiasis in cattle. An animal pathology Workshop in the CEC Programme of Coordination of Agricultural Research, Royal Veterinary and Agricultural University, Copenhagen, Denmark, 4-6 February 1980. (Current Topics in Veterinary Medicine and Animal Science Vol.9.), 1981, pp 531-543
Abstract

Liveweight of calves on 86 dairy farms in the Netherlands was measured at the end of the grazing season and related per herd to the level of exposure to nematode infection estimated in October and December. There were significant between-herd variations in all the serological infection parameters...

Author(s)
Ploeger, H. W.; Eysker, M.; Borgsteede, F. H. M.; Kloosterman, A.; Straalen, W. van; Frankena, K.
Citation
Veterinary Parasitology, 1990, 35, 4, pp 323-339
Abstract

Available data in the literature on the quantitative relationship between level of exposure to infection and growth performance are summarised. Based on questions derived from earlier work concerning the relationships between infection, growth performance and acquired immunity during the entire...

Author(s)
Ploeger, H. W.; Kloosterman, A.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 223-241
Abstract

In 2 experiments, groups of calves which had been exposed to different levels and patterns of infection with Ostertagia and Cooperia spp. in a simulated first grazing season (FGS), were followed throughout a natural second grazing season (SGS). Milk yields in the subsequent first lactation period...

Author(s)
Ploeger, H. W.; Kloosterman, A.; Rietveld, F. W.; Hilderson, H.; Berghen, P.; Pieke, E. J.
Citation
Veterinary Parasitology, 1996, 65, 1/2, pp 99-115