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Persistent efficacy of topical doramectin and eprinomectin against Ostertagia ostertagi and Cooperia oncophora infections in cattle
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The effect of first season chemoprophylaxis in calves on second season pasture contamination and acquired resistance and resilience to gastrointestinal nematodes
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The effect of different infection levels on acquired resistance to gastrointestinal nematodes in artificially infected cattle
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Interactions between preventive anthelmintic treatment and acquired resistence to gastrointestinal nematodes in artificially infected cattle