Be glad You have no fire ants there. They dont go away we use amdro bait and the mound dies but i'm not so sure the ants don't move to another nest, and of course you cannot use it where the chickens range because it looks like chicken feed. Ants carry it to the nest and feed the queen and all supposedly die. It is said that fire ants are the reason quail and a lot of ground nesting birds are on the decline here. If something lays on the ground very long they will find it and..........