Resistance to ivermectin in a field strain of Ostertugia spp. in goats |
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| Authors: | S.B. Badger P.B. McKenna |
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| Affiliation: | 1. Veterinary Services (Hawkes Bay) Ltd , P.O. Box 503, Waipukurau;2. Batchelar Animal Health Laboratory , P.O. Box 1654, Palmerston North |
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| Abstract: | The occurrence of a field strain of Ostertugia spp. showing a resistance to ivermectin in Angora goats is reported. In a controlled anthelmintic trial using naturallv-infected goats. ivermectin at a dose rate of 0.2 mg/ kg demonstrated an efficacy of 87% against this strain. (New Zealand Veterinary Journal 38,72–74, 1990) |
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