It happens to the best of us. So, what does it mean when a chicken lays a soft egg? And how can you prevent it? There are a few simple things to do https://www.weedemandreap.com/why-did-my-chicken-lay-soft-egg/
Excellent layer (300 WHITE eggs per year). The White is separate from the rest because they lay large, white eggs practically every day! Other varieties aren't nearly so prolific. Whites are said to be nervous, but we've personally found that some White Leghorns are actually quite sweet and very tame! So give one a try and find out for yourself. (In winter, use petroleum jelly on their large comb to prevent frostbite.