Hi my yb birds dont have watery dropping they are perfect but sill have the air like they have on sunday i removed the water for 24 hours then give them milk to clean them out then removed the drinker again for a few hours then give them water honey and glocose so i have clean them out they sill have that bit of air in them like they have water nobody i know knows what it is so im keeping my eye on them anyone know what it is please let me know i keep it Natural cider viger, garlic and iodine in the water i have been doing this and i had no problems the problems i think is when the racing has started.