Has anyone found something that works? I feed Kalmbach hen house reserve & bsfl. I have the same issue, every eggs comes out scrambled in the shell. I have recently acquired an extension to my flock (5new) 2 of them lay normal eggs the other 3 lay scrambled.
From another thread:
https://www.backyardchickens.com/threads/yolks-are-fragile-and-break-easily.1571267/post-26682220