PLEASE, PLEASE HELP!! We have a sick hen and do not know what to do?

[greenhead]

one of my daughter's show bantam's has lost all of the color in her combs and has started yawning all the time? poor thing looks like she wants cluck but cant? she has lost her voice. she also has runny poo. will somebody please give us some advice.

thank you.

 

[chickensioux]

Have she ever been dewormed?