Hi all! I have a small flock of 5 hens who just started laying a month ago. All was going well until a week ago when we started a new bag of food. Same brand just a new bag. First we had 1 or 2 soft shell eggs. So I bought an extra bag of oyster shell thinking they needed a boost. Then I began feeding that along withtheir fresh food and water plus handfuls of fresh weeds from the garden. Now I am getting 4 soft shells a day and maybe 1 hardshell. The coop is big and clean with chicken picked nesting areas that have nests they built. Now they are not even using the nests they are sitting on the perches and laying soft shell eggs from them. I am at a loss. I have been raising hens on and off for 10 years and this is a first for me.