Multiple resistance in goat-derivedOstertugiaand the effkacy of moxidectin and combinations of other anthelmintics
作者:
W.E. Pomroy,
N. Whelan,
A.M. Alexander,
D.W. West,
K. Stafford,
B.A. Adlington,
S.M. Calder,
期刊:
New Zealand Veterinary Journal
(Taylor Available online 1992)
卷期:
Volume 40,
issue 2
页码: 76-78
ISSN:0048-0169
年代: 1992
DOI:10.1080/00480169.1992.35703
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Faecal egg count reduction tests were used to identify a strain ofOstertugia circumcinctu/trifurcatacomplex in goats which was resistant to : ivermectin (at 0.2 mg/kg and 0.4 mg/kg orally), oxfendazole (at 5 mg/kg orally), levamisole (at 12 mg/kg orally) and fenbendazole (at 5 mg/kg orally) combined with levamisole (at 9.4 mg/kg orally). The percentage reductions achieved in these faecal egg count reduction tests were respectively 27%, 83%) 82%) 79% and 82%. Moxidectin (at 0.2 mg/kg by subcutaneous injection), fenbendazole (at 10 mg/kg orally) combined with levamisole (at 18.8 mg/kg orally), ivermectin (at 0.4 mg/kg orally) combined with oxfendazole (at 10 mg/kg orally) and ivermectin (at 0.4 mg/kg orally) combined with levamisole (at 12 mg/kg orally) were effective in removing these nematodes in goats as determined by faecal egg count reduction tests. These drenches achieved reductions of 100%, 100%, 98% and 100% respectively.
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