Help pullets keep dying

[MAchicken105]

ive had 2 pullets die within 2 weeks of each other both same symptoms. Stopped eating and drinking, pale comb, puffed up and eventually died.

I have administered corrid in their water for a week, I also have wormed them 3 days ago. I don't know what to do!

Nothing in their environment has changed. They get ACV in their water every other week. I treat them with kid gloves and now I'm down to 6 pullets.

Any ideas?!

 

[MAchicken105]

I used safe guard wormer, offered tuna, scrambled eggs etc....I'm at a loss. Is it a vitamin deficiency? What should I get?

 

[MAchicken105]

They were about 20 weeks old. Still haven't gotten an egg.

They have no mites, all have been throughly checked. Her poop is green from not eating.

 

[Kiki]

You poor thing, I am sorry you are losing birds.
Is taking one to a vet an option?
How much Safeguard did you use?

Can you post a few pictures of your chickens and your set up?
What type of food do you feed?
Can you try soaking it in water for a little while to make a mash then mix a little tuna in with it?
Would you be willing to tube feed them for now while you figure out what is causing them to pass?

 

[MAchicken105]

Here is their set up. They have a 4x5 coop, 12x13 covered run and a 18x18 grassy area that they go out to every day supervised. Why is it so hard to keep chickens!?! Now I only have 4 full sized hens and 2 Bantams. I'm so bummed out. Everyone else is acting perfectly fine. This set up has been the same since day 1.