I'll only answer questions I'm sure of!!
PeepsCa is the resident Guinea Guru...look up her name and read up on her posts...VERY informative!
There was a recent post on this page, "So far, I hate them"
Some pros and cons.
I just picked up 11 keets, (I got them form different breeders) the first 6 came from a man that has around 60 guinea living/free ranging, they keep the ticks and other insects away from his prize miniature horses.
He started them because a family member came down with Lyme disease.
I didn't hear any noise when I drove on his farm!!
The only noise, was the peeping from the 20 or so keets, in the barn, very soft chatter from young birds.
A few adult guinea came over to eat some feed he throws down, I walked up to them, they made a few squawks and moved on!
As I drove out the driveway, a few made a few squawks as I drove by them...then stopped when I passed by!
I imagine at roosting/dusk it must get quite noisy from all them birds trying to hook up with their roosting mates!
At 3 weeks old I tossed in a few crickets I caught, they were gone in an instant!
I've been training them to come when I call them, I would call them, and put dried meal worms in their brooder...they would climb all over each other to get them!!
At 4 weeks, I open the brooder lid, call them and the brave ones jump/fly out, eat the meal worms out of my hand, when I put meal worms in the brooder for the 'chicken guinea' ( the ones that didn't fly out) they fly back in for another snack!!
Even at this age they've got an instinct for bugs!
They will eat spiders, ants... any insect, I've heard from guinea owners they eat fire ants too!
From what I've read, there are mixed results with sharing living quarters with other birds.
I've built a separate coop for them.
Free ranging they usually/might get along, at least either bird can run away, or seek protection from the dominate bird!
They prefer to free range.
When they are young they should be feed game bird feed, a 24% protein to help them grow strong, young adults can eat the same feed, but free ranging they won't need much!
Yes they lay eggs! Unfortunately they don't like nesting boxes, they will lay in the brush.
I've also heard they are very good eggs, very rich, a co-worker that cooks/bakes a lot has offered to buy ALL my guinea eggs! She says it's her 'secret ingredient'
As you read on, you'll find out they are watch birds!
Often chasing off curious domestic cats, other wild birds, warning the rest of the flock of hawks or dogs that wonder close to them.
Personally, I think roosters are much louder!
If you find you don't like them, adult guinea sell for around $10 at the auction!