A dosage valve (84) for a teat dip applicator, the dosage valve includes a housing (432) defining a chamber (450), a dip inlet (434) into the chamber, a dip outlet (438) from the chamber, a dip volume adjuster (440) disposed at least partially in the chamber, a valve (500) in communication with the dip inlet for movement between an open position and a closed position； and an air chase outlet (446).
