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VetMed Resource

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

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Bulk milk samples were collected from 134 farms at monthly intervals on 3 occasions in 1992. ELISA titres to Ostertagia ostertagi found in October at the end of the grazing season served as a basis to select 16 and 18 farms as having high and low levels of parasitism, respectively. Heifers and cows ...

Kloosterman, A.; Ploeger, H. W.; Pieke, E. J.; Lam, T. J. G. M.; Verhoeff, J.
Veterinary Parasitology, 1996, 64, 3, pp 197-205