Abstract: A milk flow sensing and control device constructed and arranged for use in dairy equipment for sensing the flow of milk from an animal and controlling the actuation of fluid pressure/vacuum operated teat cup support and retraction apparatus and removing and retracting the teat cups from the animal in cessation or substantial reduction of milk flow from the animal; the sensor and control device having a hollow body defining a float chamber and containing a float member and attached actuating member, the float chamber having a main milk inlet and a main milk outlet in the upper part thereof and a minor bleed outlet at the base thereof.