I have a flock of 12 chickens 1 being a rooster about are RIR and then we have 2 Coachins and then one black and red hen not sure what she is. We have this a couple of times a year and it has happened yet again. Our chickens ave stopped laying. I need to know what I can do. Also is there any way of determing if they have worms or not? I really like my chickens and I want to care for them properly.Any help will be appreciated.