resistance of fasciola hepatica against triclabendazole in cattle and sheep in the the winter of 1998/1999, sheep on a farm in the province of north holland, the netherlands, died from subacute and chronic liver fluke disease despite four previous treatments with triclabendazole (tcbz). faecal examinations of sheep and cattle on the farm showed high number of liver fluke eggs. in a randomised clinical trial, the fluke egg output was monitored weekly for 3 weeks in sheep which were treated with tcbz or with closantel; in dairy cows treated with tcbz or with clorsulon; and in ...200010889368
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