sick chicken, need advise

[trisha]

SHe is almost 6 months and has just started laying. Just today she started losing her balance and is almost unable to walk because of it. Does anyone know what could be wrong?

 

[HatTrickSilkies]

Mareks disease will cause staggering and a "drunken" gait in birds. Of course she may just be sore from her body adjusting to pushing an egg out every day.