The fenbendazole that is commonly available is intended for horses. It does not have to be diluted but you do have to be cautious as to the concentration of the paste. 100mg/g is the usual concentration and it is marked on the box or applicator.
Many people keeping their animals outdoors commonly worm their animals on a regular basis and have done so for many years without a problem. There are also many vets that continue to recommend this practice especially in the case where there are large collections involved. To have every turtle or tortoise tested every year or less is not only impractical but it is unnecessarily expensive.
While some vets don't agree with this practice there are as many that do.
Personally, I do regular fecals and treat accordingly.
>>All of the drugs mentioned are prescription drugs and regulated accordingly for a reason.
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>>Also, panacur is usually made up for horses, so a dilution is necessary. This is a big risk for overdosing your tortoise.
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>>It is best to only deworm animals that have a parasite problem. Passive deworming is working it's way into the history books as far as responsible vet med. (Of course certain animals remain at high risk; reptiles are not generally in this catagory)
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Ed @ Tortoise Keepers
Trying to keep the fun in Chelonian care