Posted 2/22/2021 07:28 (#8850425 - in reply to #8849477) Subject: RE: Fly control
I'm a believer. There was a study here in western Canada that showed reductions of about 50% by adding garlic. Seems to take the edge off enough that in combination with a decent rotation I haven't found flies to be a problem for a few years. It also supposedly helps with internal parasites and general immune function. Either way it's an easy and cheap addition if you're already feeding salt and mineral throughout the summer.