How old are they?
I thought I only had one noisy one and considered rehoming her, after waiting to see if she'd mellow after laying age. They are all almost 18 weeks and seem to be getting noisier every day, but only at the times mentioned above. They are usually pretty quiet until I go...
Are you a member of the organic chickens yahoo group that is affiliated with those recipes? There are a lot of people there that make their own feed and can probably better answer your questions.
Also, check out: http://www.lionsgrip.com/protein.html to learn about calculating the amount of...