My favorite RIR hen "Lucille" who is 11 months tomorrow, is limping all day. When I closed them up last night she was fine, When I let them out this morning she is limping really bad. I checked her foot and leg, no injuries to be seen, No swelling, and it is not hot to the touch. What can I do? And what should I be watching out for ? I just love her so much and am very worried. she is hobbling about the yard and eating and drinking normally with the others. Please help!!