In the outdoor run you never have to remove them. You make a "deep litter" by just continuing to put new chips in from time to time.Thanks Leah's mom. Will definately take that into consideration. How often do you have to totally replace the pine chips ? You just remove what's dirty as needed ? Sorry but totally new with this and want to do right for the girls.
I also use a deep litter in the coop itself. It looks like your coop is pretty small, so you would have to empty it more often. Inside a coop that doesn't have a dirt floor, I put a little dirt down from the garden or yard. Then put the pine shavings on top of that. I rake the poo under and/or put more pine shavings on top to cover what's there. I keep doing that until it's built up high enough that I need to remove some. I always leave a little in to "seed" the next batch.
When I take the litter out of the house (time depends on how big your house is and how quickly it builds up), I put it right outside onto the run.
The next spring, you can dig some of it out of the run to put into your garden. The soil it makes underneith is wonderful, composted, rich soil.
When you use the deep litter, it allows good microbes to proliferate and hopefully "overpower" any bad microbes that are present - provided you aren't giving your birds antibiotics and other medications. Those microbes actually can produce various "b" vitamins that are good for the birds and it helps keep diseases at bay. It's kind-of like the bacteria you'd find in yogurt.
Here is a link about deep litter. One disclaimer: DO NOT USE LIME as this talks about using. It is not necessary and it can be caustic, and can take your litter out of balance!!!! Just wood shavings. Some folks add leaves to their outdoor deep litter as well. I use the shavings/dirt inside and the wood chips from the tree service outside; and of course the shavings end up outside too. Sometimes dry leaves in the fall but I prefer the chips.
http://www.plamondon.com/faq_deep_litter.html
This article is in 3 parts and the part links are at the top of the article rather than the bottom:
http://www.themodernhomestead.us/article/Deep-Litter-1.html
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