AS THE LINK SAYS IN GOOD LAYERS IT IS USUAL TO HAVE THE ODD SOFT SHELL EVERY NOW AND THEN WE HAVE PRIMARILY ORPINGTON BANTAMS SO HAVE NOT BEEN FACED WITH THIS PROBLEM. I HOPE THAT THIS HAS HELPED LOTS OF LOVE INSANE CHICKEN LOVER 12
is she new to laying if so then she will hopefully just be going through a phase or if she is at the end of her laying years 4years give or take then this can be a side affect if not then make sure she is getting enough calcium in her diet keep me updated xx