I am feeding an organic feed with soy as the protien base and although it is listed as having the correct levels of protein for each stage that I am feeding, I am concerned that they are not processing this type of protien correctly. My young pullets while molting have developed darkening combs, and my layer flock has started picking and eating each others feathers. I started adding more protien to their diet, such as cat food, eggs, meat ect. and saw a noticeable difference especially with the young pullets and their comb color. Just to experiment, and make sure that it wasn't developmentle I took them off the protien supplements, and we are right back to dark combs. This makes me think that either soy protien is not readily absorbed or that the protien requirements over all are underestimated. Any thoughts... I am looking at switching feeds, and just would like to know if others have noticed any of the above. I would like to stick with organic feeds, but if what's available in my area, does not match their nutritional needs I will have no choice but to switch. Thanks..