Some of those pictures look like some I have seen of favus, a fungal disease that causes chalky white or gray powdery areas on combs, wattles and earlobes. Lotrimin cream or miconozole is thr treatment. It is contagious if that is what you have. Here is a link to read (look especially at picture #3): https://www.backyardchickens.com/t/...wattles-overtaken-by-white-growth-please-help
