If you feed it to your animals, yes. You can add it to your chick feed and it will prevent the flies from hatching in the poo, thus cutting down on the flies.
I use DE for everything (horses, dogs, cats & koi) on our small farm and have found it controls flies wonderfully, IF used regularly. I get mine from FreshwaterOrganics.com and it runs about 64.00 for a 50# bag and is food grade DE. Price includes shipping cost
).
We also use the fly predators around the horse barn and except for a few flies now and then we are relatively fly free compared to where I work. (No DE, No Fly Predators and flys galore.) The only thing with the Fly Predators is that you cannot put them around where the chickens can get to them...we found out the hard way that they just love to eat them
, so we use them around the horse barn and manure pile and everything works out great.
I use De when I clean the coop. I put down a thick layer of hay and new hay in the nests, I take a sifter and sift it over the hay really good and rub the roosts down as thick as I can get it on them, So far I have had no problem with flys,But ----------we do have ticks,and since DE is harmful to bees,I do not spread it around anywhere outside the coop. Since the hay from the coop is full of poop,it makes good mulch for my garden, and I don't think it should bother the bees. I do hang fly strips from the co op outside just in case any flys come visiting. Also check out Dawn419, she is one of the mods and also sell DE, so she can help you with anything you need to know about it. marrie
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Then again, on May 14th at 8:28 p.m. you post...
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So you are saying that you noticed a fly reduction in just under a 6 hour period?
Just curious...as I've never seen it work so fast and here's my food grade DE page loaded with my personal experiences since using it for almost a year and it has never been an "overnight wonder" for me.
Dying to know what you did that was/is so different...