Lice! On Chickens! Sept 2, 2010 22:05:59 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by rockguy on Sept 2, 2010 22:05:59 GMT -5 Go easy on the borax in garden areas, it is toxic to plant life. Ivermectin is derived from a naturally-occuring soil bacteria.