Our 7 month old pullet has a comb that is becoming increasingly pale. I don't know if what we are seeing is normal or not. The comb on our six month old pullet is remaining red. Here are two pictures of the bird in question.
7 months old:

and 4 months old:

She does not show any signs of ill health like lethargy, failing to eat, etc. Is there any cause for concern?
7 months old:
and 4 months old:
She does not show any signs of ill health like lethargy, failing to eat, etc. Is there any cause for concern?