I have been watching the other chickens, no one seems to pick on her. They don't get scratch, I give them BOSS and dried mealworms as a snack. Their feed is Ranch-Way organic no soy layer which I believe is 16-18%. I had them on a higher protein feed when I merged my younger girls which was 20%...
I have a 1.5 year old Mottled Java that has lost most of the feathers on her head and throat (see picture). She is not the bottom of the pecking order, I would say she is ranked 2nd out of the 9 hens I have. I don't have any roosters either. What would cause her to lose the feathers on her...