I recieved sick snakes from somebody at one time. The dosage I gave them was .1 ML per 500g of animal. I also did oral for 10 days(I don't like the thought of possible burns to the scales at the injection site). I would pull up .1 ML and add .2 ML of water just to help ease the concentration on the animals stomach. The treatment rendered the issue with no further problems. Hope your animals pull through for you. Sounds like you caught it in time.