sick adult

Hello! I have 2, 6 year old Russian orloffs that have been having balance issues for a couple months. I have tried everything I can think of : vitamin b 12, nutri drench, higher protien, electrolytes, rooster booster, dewormed, sprayed for lice. And it just isn't helping them. They can walk a...

My chicken Lucy, has a pasty butt. Other chickens from the flock died because of it. So, I gave her 0.6cc of antibiotics (Liquamycin) because she weighed 6 pounds. Is that the right amount? Also, when should I give it to her again? I am so lost, I researched and found a million different dosage...