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VetMed Resource

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

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Abstract

Development of immunity to Ostertagia ostertagi and Cooperia oncophora and interactions between both species in primed calves were investigated after homologous, heterologous and concurrent challenge infections. Worm counts, faecal egg output, IgG1 and IgG2 antibodies and the presence of globule...

Author(s)
Hilderson, H.; Vercruysse, J.; Claerebout, E.; Graaf, D. C. de; Fransen, J.; Berghen, P.
Citation
Veterinary Parasitology, 1995, 56, 1/3, pp 107-119
Abstract

Cooperia oncophora total adult extracts were examined by Western blotting with sera from C. oncophora- and Ostertagia ostertagi-infected calves to determine species-specific antigens. It was shown that 2 antigens with apparent MWs of 14 200 and 14 900 were only recognized by calves which received a ...

Author(s)
Graaf, D. C. de; Berghen, P.; Hilderson, H.; Cock, H. de; Vercruysse, J.
Citation
International Journal for Parasitology, 1993, 23, 1, pp 141-144
Abstract

Two studies were performed to investigate the efficacy of doramectin in the prevention of infection with Ostertagia ostertagi and Cooperia oncophora in grazing calves. In each study 24 parasite-naive calves were randomly allotted to 2 equal groups and treated with either doramectin at 200 µg/kg or...

Author(s)
Vercruysse, J.; Dorny, P.; Hong, C.; Harris, T. J.; Hammet, N. C.; Smith, D. G.; Weatherley, A. J.
Citation
Veterinary Parasitology, 1993, 49, 1, pp 51-59