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VetMed Resource

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

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The influence of different levels of infection with O. ostertagi on the development of a protective immune response in calves was investigated. Four groups of calves were infected with either 5000 (Group A), 10 000 (Group B), 20 000 (Group C) or 40 000 (Group D) infective larvae (O. ostertagi L3)...

Hilderson, H.; Vercruysse, J.; Graaf, D. C. de; Bastiaensen, P.; Fransen, J.; Berghen, P.
Veterinary Parasitology, 1993, 47, 3-4, pp 255-266

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...

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