Bit suspicious of the "processed grain and grain by products" bit. Starting about 4 years ago, sorghum debates hit the media. I think a lot of companies switched listing the sorghum for that vague and incomprehensible mess, lol.
Extra tip; i wasn't sure i had an egg eater. I wasn't getting...
Sorghum messes up the one hormone that Causes egg shell creation. If your feed has sorghum, change it to a corn based and give her a couple weeks. I never had any with the soft band, but i had 20+at once that laid soft shell consistently. I changed their food to non- sorghum. It was fixed...
Mine do too, and i only use a red heat light at night and a regular LED bulb for daytime. I follow the "if its daylight outside the bulb is on. At dark the red light" because i know their bodies need rest. But they still lay all winter!