I apologise, I have done searches but i just want a couple of very straight forward answers, as the more i read the more confused i get (being a first time owner and all, i read into everything like it's an abnormality with the more knowledge i gain), so would like to know from you fabulous chicken veterans: 1. What does a normal crop feel like? 2. What does an abnormal crop feel like? How can you tell? 3. What are some other symptoms that may indicate impaction? What to look for? 4. At what point can you try to rectify/assist it yourself? First aid? 5. At what point is it an emergency? Thanks so much in advance!!!!!!