new pullet layers

I have 10 young pullets approaching laying age. Four have been laying healthy eggs, but I found 2 softshell eggs over the last week. I don't know who they were from, but I know its not uncommon for firstime layers, so I wasn't concerned. However, today one pullet produced something that I've...

My pullets JUST started laying, this is my 13th egg from 6 Isa Browns. They've all varied in size, darkness and speckles, which i expected. But this one had what looked like a spot of brown wiped off when i collected it! I took it inside, washed it, rubbing it firmly to get the dirt/manure off...