Abstract: A milking system for cows having a pair of parallel rows of milking stalls on an upper floor and an operator's cart adapted to move along the rows of stalls on a lower floor. An elongated opening is formed in the upper floor along the stalls through which one or more operators on the operator's cart may have access to the udder and teats of the cows to be milked. The stalls are provided with entry and exit gates; doors are provided for the elongated opening; spray bars are provided for cleaning and disinfecting the cows udders and teats; and suitable milking machines are provided for connection by the operators.