A bulk fluid monitoring system and method for monitoring milk is provided, including a plurality of sensors (120, 130) for providing information in relation to properties of a bulk fluid (110), a memory (12) for holding data parameters including information provided by the sensors (120,130) and a predetermined time-and-temperature curve for a fluid (110), a processor (10) for determining whether the information in relation to properties of the bulk fluid (110) is within the bounds of the time and temperature curve (220) for a fluid.
