Hello everyone! 
I found this thread and I really hope that someone will reply. So, I have two baby chicks 
 Tooki (7 weeks old) and Brownie (5 weeks old). Tooki is really sick and underweight. She still fits in my palm. Around 8 days back she got really sick and started sleeping all the time and didn't move at all except to eat. I treated her and her sister Brownie for Cocci after noticing Red Mucous in their poop and started giving them medicated feed, after which Tooki got strength in her legs and is now able to stand up to drink and eat on her own. But she still doesn't walk around much and doesn't chirp much and I have again noticed red mucous in their droppings. Though it is very less and other than that both the girls have healthy droppings.
So, I got her poop tested by a vet yesterday and he said that there are worm eggs in her droppings. 
Now I will be deworming both her and Brownie using ALBOMAR which has Albendazole in it. But the issue is that I don't know the exact dosage. The package says to give 30-45 ml per 100 birds. However, I have been told that since Tooki is extremely underweight for her age, this dose may not be safe for her. 
Please please help me out here. I am very attached to my girls and just want them to get well soon.