I have read that when you do the deep litter method you should add a thin layer of diamaceous earth (DE) to the little to help keep the litter dry
You seriously do not need DE in your litter to keep it dry or fresh. I've never used DE and my coop smells of nothing...literally..just earthy but no smells of manure or chicken, even after it rains and the bedding is wet from it. DL can be managed quite simply with the use of ventilation and judicious addition of the right materials...these can be found cheaply or even free, depending upon where you live.
DE is nonspecific in its action and can kill beneficial bugs you may be wanting in your DL to help break down the manure there so that it binds more easily with your carbonaceous materials.
X2. I have never used it before either. Dry coop and no smells. I tend to rake under the roost a couple times a week to mix the poop piles in. But the DL I just removed you couldn't tell the poop from grass and shavings. And no smell at all as I put it bags. And no wetness at all. Good ventilation is the one of the keys to keep it dry in my opinion.
And I agree with bee about ecoli and samonella. I've never had problems putting the DL right in to my veggie garden. They will have access to the compost. If they are to dumb toe at something they shouldn't I don't want them. And is te veggies all summer and no one got sick from them. And I put horse manure in there to. Hens love to scratch thru it.
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