She seems in good spirits, eating and drinking well, you may be on to something with the calcium deficiency, everything is snow covered here, and she may be having a tough time fighting the others for her scratch... I'm going to try and keep her inside with us for a couple of days, she seems to...
So, I went out this evening to lock up the chickens, collect the eggs, etc. and I noticed that my only ISA had laid a rather bloody egg, and there were a number of spots with blood in what I presume are her feces, Took a look at her backside, and she was a bit of a mess, took her in, bathed her...