I've got a silkie hen that was born in March, she has been laying for about a month now. Sunday afternoon she went in the coop to lay she layed for hours five to be exact so I kicked her out to walk around while I cleaned to coop. Once I was done she went back to her laying box. She stayed there all night and Monday morning she was still there so I began to research what could be wrong with her. After looking in to egg bound hens I decided to take action and as I walked out there she was strolling around the yard( no egg).So I fixed up my dog kennel and kenneled her to monitor her droppings and food And water intake. I've noticed she is coughing/sneezing but no discharge. Her comb is dry and shriveled up slightly hard to the touch. Her dropping are solid but small. I can feel an egg in her abdominal cavity. This morning I took her in and with a syringe injected 5cc of olive oil to lube up her egg shoot and she is sitting in a bucket of warm water to relax. I recently purchased four chicks from a flea market whom I kept separate from my flock for a month. They had some kind of respiratory disease and didn't respond well to treatment. I had them taken care of. I have a flock of 7chickens, they are free range. I'm worried I have some how contaminated my flock. Please help I need opinions!