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Which drugs are effective against which worm (in order of equine importance) and at which stages |
copyright © 2001 Bentley House Stables |
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Ivermectin |
Moxidectin |
Fenbendazole |
Pyrantel |
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(Eqvalan, Furexel) |
(Equest) |
(Multiwurma,Panacur, |
(Pyratape P, |
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Equine Guard) |
Strongid P) |
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Large redworms or strongyles |
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adult |
effective |
effective |
some resistance |
effective |
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developing encysted |
effective |
effective - 5 - day dose |
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inhibited encysted |
effective - 5 - day dose |
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Small redworms or strongyles |
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adult |
effective |
effective |
effective |
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immature |
effective |
effective |
5 - day dose |
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Large roundworms (ascarids) |
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adult |
effective |
effective |
effective |
effective |
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immature |
effective |
effective |
effective |
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Bots |
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(gasterophilus) |
effective |
effective (not all stages) |
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Lungworms |
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(dictyocaulus) |
effective |
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Threadworms |
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(strongyloides) |
effective |
effective |
7 x standard dose |
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Tapeworms |
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(anoplocephala) |
double dose |
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