I've seen rough bumps like your rooster has on his face and comb. When my rooster had them, I used Blue-kote on them, and it either worked to clear them up or it was just coincidental that they decided to clear up. Use a Q-tip to dab it sparingly around the eyes, careful not to get any in the eyes.
The yellow crusty lesions look like a skin infection on that adorable chick. I would soak those areas in warm Epsom salt water to soften and hopefully loosen and float away the worst of the crust. Then I'd keep it moist with antibiotic ointment (without pain killer). If those are skin mites and not an infection, the ointment will work also.
The yellow crusty lesions look like a skin infection on that adorable chick. I would soak those areas in warm Epsom salt water to soften and hopefully loosen and float away the worst of the crust. Then I'd keep it moist with antibiotic ointment (without pain killer). If those are skin mites and not an infection, the ointment will work also.