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- #211
From my research I believe that we don't want the bin to heat up because that will kill the worms. For this reason I have not used chicken poop in mine.
I don't want to get too confused on this issue. But we use "heat" in different ways when referring to composting and manures.
When I had my worm bin, I think I put in too much food, which started to compost in the bin, generating physical heat from the composting process, and that can kill the worms if their bin is not big enough to escape the heat source. I think that was my downfall.
When we talk about chicken manure being hot, it is in reference to the high nitrogen content of chicken poo which can burn the roots of the plants where the nitrogen in the chicken poo pulls out the water from the roots in a chemical reaction, not by any physical heat process. That is why we typically let chicken poo compost for a number of months before using it out in the garden. I usually put my chicken run compost on the gardens in the fall, and just let it winter over until spring.
Having said that, I never use straight chicken poo for my composting. I always have lots of wood chips, or this winter, paper shreds, mixed in with the chicken poo. I think that is an important distinction because I know some chicken owners have poop boards under the roosts and clean up the poo into a bucket, which would be straight chicken manure. I don't do that at all. I don't use poop boards. My chicken poo drops down into the deep bedding below the roosting bar and gets mixed in with the litter.
Having said that, I did find this little tidbit on chicken manure and worms from Worm Composting With Manure.
Poultry Manure – Care is needed when using this source of manure. It is very high in nitrogen content which is why you won’t see farmers / gardeners use fresh untreated poultry manure to fertilize plants as it burns the roots. The high nitrogen content will also pose a problem with worms, therefore it needs to be pre-treated and given in small quantities to allow worms to adapt. Pre-treatment can include washing it down with water and pre-composting it with the latter being the best option. Mixing it with a carbon source such as newspaper will make it a better feed.
In any case, I think I would be better off using some of my already composted chicken run litter as bedding for worms if I build a new bin. Just need to find a good flow through worm bin design I can build maybe out of pallet wood.