Hi, I have a young 1 year old flock of three hens. All raised from day olds and in a 20ftx20ft run with a coop and nesting box. About a month back, one started acting sleepy, losing weight and isolating her self. the vets gave her two types of antibiotics and she is now at a steady weight and acting much more like her self with no sleepy patches and eating well. At the time she wasn't infecting the other hens, they where all laying and quite happy. Now, i have three Hens who all have green runny poo, and one is half Bald, well she looks like a porcupine anyway..... They all have clean fresh water, all eat layers pellets, with mixed corn, i treat for worms and disinfect the whole coop and nesting box with mite killer each and every month, with a clean out weekly. All the birds still have energy and are acting as they usually would do. No eggs however and they are strong layers (hybrid) Any ideas on the mystery green poop and how i can get my girls back to full health and laying again? I'm not sure the first hens illness has anything to do with this one if I'm honest, her poo when sick was totally different to all their poo now.