- Sep 28, 2008
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Food grade DE as a duster... and re do in 10 days... also sprinkle in dry bedding... Only food grade... you may use poor on Ivermectin made for cattle.. Not for injectable kind...only the pore on. there are directions on this site somewhere... you use it like flea drops but it is only a few drops per chicken between thier wings... ON THE SKIN... Not on the feathers... must reach the skin... works fabulously.