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VetMed Resource

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

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Abstract

Immunity to O. ostertagi infections in calves develops slowly and only becomes manifest towards the end of a grazing season in which they have been exposed to the parasite. In an attempt to hasten the onset of immune reactions, 3 immunization protocols were set up. 24 heifers were allocated into 4...

Author(s)
Christensen, C. M.; Nansen, P.; Henriksen, S. A.; Monrad, J.; Satrija, F.
Citation
Veterinary Parasitology, 1992, 44, 3/4, pp 247-261