I need some answers here!

[Scrambled8]

20 week old rhode island reds Have NO comb at all. All three of them are completley flat. My EE's combs are way bigger than their combs are! What in the world could be wrong??? at 20 weeks old, they should be almost fully developed! I need to know what is going on here. please reply.

 

[Ridgerunner]

Some Rhode Island Reds have rose combs, not single combs.

 

[Scrambled8]

maybe so, but dont you think they would be more developed? like I said before, they have NOTHING