Posted by eastexan on July 31, 2012 at 15:13:09 from (96.15.191.208):
In Reply to: Blister Beetles posted by LOU from Wi. on July 30, 2012 at 18:04:24:
Old Iron said: (quoted from post at 16:50:47 07/31/12) I just repeated what my vet told me a few years ago when I asked him about the blister beetles in my alfalfa.
After doing a Google search, I found this information at,.....
Researchers have determined the lethal dose of cantharidin to be approximately 1 milligram per kilogram of horse body weight. This means that about 200 blister beetles could have levels of toxin sufficient to kill an adult horse. In addition, an average of 5.0 mg of cantharidin has been found in striped blister beetles, which indicates that 30 to 50 adults could be potentially lethal.
This makes more sense to me.
Otherwise, if it took 1 beetle or a piece of a beetle to kill a horse, there would be a lot of dead horses everywhere those beetles are found. And that just isn't the case.
This post was edited by eastexan at 15:16:15 07/31/12.
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