Panacur suspension is 10% fenbendazole, so that's fine, but at 3cc per gallon I don't think they got enough wormer to do much good. If I were in your shoes I would weigh my roo and worm him accordingly, it sure won't hurt him and it *might* save his life. Fenbendazole is very safe and is used at even higher levels for treatment of capillary worms.
-Kathy
-Kathy