Robotic arm with spray tool

An apparatus for cleaning teats comprising:

• a spray tool member comprising a front end and a back end;
• and
• a spray tool coupled to the front end of the spray tool member, the spray tool comprising:
• a first nozzle oriented in a first direction;
• a second nozzle oriented in the first direction and positioned in line with the first nozzle;
• a third nozzle positioned between and offset from the first nozzle and the second nozzle, the third nozzle oriented in a second direction;
• and
• a fourth nozzle positioned between and offset from the first nozzle and the second nozzle, the fourth nozzle oriented in a third direction, wherein the first, second, third, and fourth nozzles are configured to spray a solution.

A method for cleaning teats comprising:

• positioning a spray tool at a position from which the spray tool is configured to discharge a solution onto a dairy livestock, the spray tool comprising a first nozzle, a second nozzle, a third nozzle, and a fourth nozzle, the second nozzle positioned in line with the first nozzle, the third and fourth nozzles positioned between and offset from the first and second nozzles;
• discharging the solution through the first nozzle in a first direction;
• discharging the solution through the second nozzle in the first direction;
• discharging the solution through the third nozzle in a second direction;
• and
• discharging the solution through the fourth nozzle in a third direction, the second direction and the third direction are angled relative to the first direction, the second direction is different from the third direction.