Hello, i have finally moved to a house where i can compost. I am reading "The Complete Book of Composting." 350 pages in. Yesterday I went out to buy some manure to start my pile (wanted to generate heat quickly) but realized the bags said "Composted Chicken Manure."
I would assume no but can you compost Composted manure?? Will it stimulate microbial activity needed for decomposition?
It depends, but likely not. If it's not completely composted, it will compost further, but it won't kick-start your pile.
The chicken manure is the right thing for getting it going, but you'll need it freshish. Straight chicken manure can be dissolved in water and then sprayed on the pile as you go to get it the nitrogen it needs, or you can add chicken litter with poop and straw or shavings. Build it at least a cubic yard and it'll heat up to around 170.
I've also used deep litter (litter that's been in the coop for a year) to put a 4-6" base in raised beds with soil on top. I started the beds in March and they composted in place. I put down weeper hose and mulch and I didn't fertilize all season except for dumping some rabbit poop on when I didn't have a spot for it. Best garden ever.
A piece of land is worth as much as the person farming it.
-Le Livre du Colon, 1902
It is likely that the "Composted Chicken Manure" has quite a bit of biological activity in it.
You don't really need anything to start your compost pile, but it can't hurt to toss a little of the manure in your compost pile. Since it is ready to be used, your best use of it might be to just start using it in gardens or pots. It will continue to break down.
I would suggest looking for sources of uncomposted materials; things which are waste for other people. Food waste from restaurants or markets. Yard waste.