greenpony wrote:
make sure that they have a different active ingredient each time,those little suckers are immune to alot of stuff,but changing it up will get rid of them!

And most wormers will not do tape worms that's why the vet had me use Zimectrin GOLD for tape worms after my mare colicked.

Lavenderfish, Pilchuck saved my dog after she was shot and also saved one of my husband's horses after he herniated and needed emergency surgery. They rock!