They will eat the shavings and cannot digest them unless provided with appropriate sized grit.So many Guinea people have said no to shavings at this age and that they'll eat them and no to sand because they'll eat it
I use sand for my brooder bedding because I live on a sand dune. If you use sand for bedding, make sure it is a coarse sand. Really fine sand can plug them up but coarse sand can serve as grit.
Guinea keets are horrible about keeping their feet clean. Using a big brooder with lots os extra space can help by eliminating the density of their droppings. If using sand like I do, a person can keep adding a little more sand to keep the droppings mostly covered.my Guinea keets all have poop-caked feet and cleaning then it's so stressful on the birds and me. Today, two of the keets had pasty butt and by the time I was finished cleaning the tiny kid who isn't really growing,
I only clean their feet when moving them out of the brooder whether it be transferring them to their new owners or moving them to the grow out pen. Less stress on the keets.
Pasty butt can be an indication that they are being kept too hot or just a stress result from shipping.
I do not wash the pasty butt off. I will pluck it when it is dry. Yes it does pull out the fluff when I do this. The benefit of plucking the fluff with it is that the fluff is no longer there to gather the drippings. I rarely have to do repeated cleanings.