I had a problem with a hen that suddenly looked very poorly. Had been eating , drinking and running around with the flock until yesterday. Looked a bit off but still nice red comb etc. This morning fine as usual but this afternoon she looked really ill, picked her up and her abdomen was really distended. We put her out of her misery as she was in obvious discomfort. I decided to have a look inside and as soon as l cut her open lots of fluid came out, no smell and her gut looked hard and knobbly. Has anyone any idea what this could be, has it happened to anyone else? this is the third bird to get this and the signs are all the same, seems OK one minute ill the next. All speckeldy hens at 3 years old. Any help please. Getting a bit worried now.