A control unit, computer-implemented method, and computer program for controlling a milk transport and cooling apparatus where a flow of milk is controlled from a balance tank to a storage tank, based on a temperature-indicating signal measuring a temperature of the flow of milk before entering the storage tank, and a level-indicating signal reflecting a milk level in the balance tank in relation to low- and high-threshold levels respectively, such that the control unit generates a first control signal controlling the speed of the milk pump based on the temperature-indicating signal when the level-indicating signal is within low- and high-threshold levels respectively, and can also generate a second control signal controlling a capacity of a chiller based on the temperature-indicating signal with respect to an uninterrupted time period.