One last thing for the night. Just know that eggs are high in fat. They are excellent as a treat for s sick bird, but not good to feed them on a regular basis. I had a hen die from fatty liver, so I’ve gotten a tad neurotic about their nutrition.
Can you offer him raw egg? Most birds find it irresistible. Just to get a little nutrition into him for strength until you treat the mites. Also, you might consider an all-flock feed with ouster shell on the side for the layers. Layer feed can cause problems doen the road for some non-layers due...
I forgot to add that mites could be causing him to be anemic. What color is his comb? I’ve provided finely chopped beef liver to an anemic bird and it did wonders. If you can get this fella to drink and eat, I highly recommend an animal protein treat of some kind... finely chopped leftover meat...
Green poop can mean not eating. Are the urates yellow? Can you keep him inside where it’s warm for tonight? (is it night where you are?) My go-to for a sick bird is a soupy baby bird formula with a drizzle of nutridrench (poultry vitamins). Is he on a pellet or crumble of some kind? Can you turn...