Okay so for the last 2 days one of my hens was in the list state of almost looking like it's dead. It's winter here and cold, so I thought it some how froze to death. To my surprise it was alive but stayed limp when I picked her up. I put her under a heat lamp for a bit till she got up in her own, this happened 2 days in a row. My poor 8 year cried cause she thinks it's dying. However today I woke up and found the hen sitting next to a shell less egg. She was up walking around like normal. Is there something wrong with her or not.