My rooster is about 5 years old. About two months, I added worming liquid to their drinking water for a week. He had just started molting so I thought his runny diarraha was due to either worming or molting. Not so... as it's been another month and he is too weak to climb on his roost at night, but rather just lays in the laying boxes near the bottom of the coop. The diarraha is cronic, and he moans before passing each time. He eats just fine... drinks plenty of fluid, but getting weaker and weaker. WHAT can I do? I started putting an antibiotic in the water a few days ago and will continue for a week, but don't know what more to do. HELP
What dewormer did you use? Not all dewormers get all worms or work effectively. Check him for lice and mites. They can cause a bird to become weak and pale.
You can also but paracetamol and a tiny cup of sugar in the water and give it to him this helps my chickens from problems also make sure your giving him the right nutrients and protein in his food hopes he gets better soon
Separate him from the others, if you haven't already. Keep him warm and well fed. If there is a veterinarian that sees chickens in your area, possibly take him there, but not to a farm animal vet., one that will treat him as a pet. Hope he gets well.