HELP--Chicken down--Listless--Extreme Diarrhea-I think Bloated too

1) Americana...One year old
2) Laying down, eyes closed, labored breathing
3) 2 hours
4) Are other birds exhibiting the same symptoms? no
5) Is there any bleeding, injury, broken bones or other sign of trauma. no
6) What happened, if anything that you know of, that may have caused the situation. no
7) What has the bird been eating and drinking, if at all. Yesterday tomatoes and veggies, layena, corn
8) How does the poop look? Very Runny? No blood sign
9) What has been the treatment you have administered so far? None
10 ) What is your intent as far as treatment? I want to devote myself to healing her. Willing to go to vet to learn whats needed. Willing to spend what it takes.
11) If you have a picture of the wound or condition, please post it. It may help.
12) Describe the housing/bedding in use. She is in our "sick room" large dog pen with hay, I made her a bowl of chicken pellets, milk, yogurt and blue berries.