Anthelmintic efficacies of fenbendazole, ivermectin, and levamisole against Nematodirus battus infections in lambs

Zimmerman, G.L.; Hoberg, E.P.; Rickard, L.G.; Bishop, J.K.

Anthelmintic efficacies of fenbendazole, ivermectin, and levamisole against Nematodirus battus infections in lambs

1988

Zimmerman, G.L. | Hoberg, E.P. | Rickard, L.G. | Bishop, J.K.

Anthelmintic efficacies of fenbendazole, ivermectin, and levamisole were evaluated against naturally acquired infections of Nematodirus battus in lambs. Four groups of 10 lambs each were used. Oral administration of 8 mg of levamisole/kg of body weight or 5 mg of fenbendazole/kg significantly (P < 0.01) reduced the degree of infection by N battus (adults) by > 99%. An oral formulation of 200 microgram of ivermectin/kg was 98% effective (P < 0.01). Numbers of other Nematodirus spp (including N filicolis and N spathiger) were significantly reduced.

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