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Discussion on European Panacur - Safe?
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Member:
goodie
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Posted on Tuesday, May 1, 2007 - 11:04 am:
We have found a pill on E-Bay that is Fenbendazole (Panacur). It is a lot cheaper per horse, the pills are supposed to taste like apple treats and it is guarenteed. Has anyone tried this product? I believe it's called Safe something....
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Moderator:
DrO
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Posted on Tuesday, May 1, 2007 - 6:43 pm:
Hello Taara,
Fenbendazole is not a product we recommend for deworming horses as it has a very high rate of resistance when used "normally". There have been power programs with double doses given daily over 5 days but there is rarely a reason to substitute this expensive proposition for our recommended programs.
DrO
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Member:
goodie
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Posted on Tuesday, May 1, 2007 - 7:50 pm:
Then why is Fenbendazole listed in the class of benzimidazole dewormers. We only want to use this in our rotation of wormers instead of using Panacur. We use Strongid Paste, Eqimectrin and Panacur on a rotational basis. I was just wondering if anyone had ever used these pills instead of the paste.
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Member:
ryle
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Posted on Tuesday, May 1, 2007 - 10:57 pm:
Fenbendazole is still part of the benzimendazole dewormers and is still found in every equine supply catalog and feed store that sells dewormers, it's just no longer nearly as effective as it used to be. Many people, including veterinarians, don't realize just how widespread the resistance issue with fenbendazole is.
My boss no longer recommends using both fenbendazole and pyrantel in the same deworming program due to the resistance issues. Fenbendazole has a very high incidence of resistance and pyrantel has a moderate incidence of resistance, so it would be best to use one or the other in your deworming program so that you limit the chances of administering a drug that isn't actually doing what you think it is doing. In other words, if you are using both fenbendazole and pyrantel and your area has parasites that are resistant to one or both of these drugs, then for 1/3-2/3rds of your dewormings you are not actually killing parasites effectively, thus the chance for your horse to have a high parasite load increases even though you think that you are keeping the parasite load down with regular dewormings.
I would expect that these pills would be safe, but I would not assume that they are effective in your area. Parasite resistance to fenbendazole is seen in more than 90% of the areas studied world-wide.
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