Ovicidal activity of two medicaments against goat gastrointestinal nematode in RS, Brazil

摘要

The efficacy of the anthelmintics levamisole in two different doses (8mg/kg and 11mg/kg) and closantel (10mg/kg) were compared against gastrointestinal nematodes in naturally infected goats. The reduction on the faecal egg count was 93.23% in the group treated with levamisole at the dose of 8mg/kg, 91.25% in the group treated with the dose of 11mg/kg and 70.42% in the group treated with closantel. The anthelmintic levamisole was effective against Haemonchus spp., Ostertagia spp., Cooperia spp and Oesophagostomum spp. However, closantel wasn't effective against Cooperia spp and Oesophagostomum spp.