Ok for that weight you need to give 15 mg in the morning and 15 mg again in the evening. So you need to empty the capsule and split the powder into the correct dosages. Take a small piece of wet bread, soak up the powder and put deep inside the beak over the tongue.
Give for 3 days and if the droppings improve and he seems better, continue for another 7 days. Keep us updated plse.