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The main objective of the present study was to evaluate the accuracy of the faecal egg count reduction test (FECRT) to assess the resistance status of ivermectin (IVM)-resistant isolates of the cattle nematodes Ostertagia ostertagi and Cooperia oncophora, using the controlled efficacy test (worm...

Graef, J. de; Sarre, C.; Mills, B. J.; Mahabir, S.; Casaert, S.; Wilde, N. de; Weyenberg, M. van; Geldhof, P.; Marchiondo, A.; Vercruysse, J.; Meeus, P.; Claerebout, E.
Elsevier Ltd, Oxford, UK
Veterinary Parasitology, 2012, 189, 2/4, pp 378-382

Two group of calves, 36 Holstein cross-bred bull and 36 heifer calves (aged 6-8 months) were each divided into 6 groups of 6, in Belgium [date not given]. In both main groups, calves in the first control group (C1) and first treated group (T1) received a daily infection of 200 L3 of O. ostertagi...

Vercruysse, J.; Claerebout, E.; Dorny, P.; Demeulenaere, D.; Agneessens, J.; Smets, K.
Veterinary Record, 1998, 143, 16, pp 443-446