Abstract: A transportable fodder production unit (1) comprising an insulated container (4) wherein said insulated container (4) contains a racking system (7), an irrigation system (11), a lighting system (15) and a thermal control system (6), said racking system (7) having a plurality of shelves (8) extending from the rear of the container (4) to the front of the container (4), said shelves (8) being of sufficient width to receive at least one fodder growing tray (10) and of sufficient depth to receive a predetermined number of rows of trays (10) to cycle through the container (4) in a growing period whereby seeded trays (10) can be loaded onto the rear of the shelves (8) and trays (10) with mats of grown fodder can be removed from the front of the shelves (8), said trays (10) being urged forward by an operator as the fodder progresses through the growing period and wherein the irrigation system (11) comprises a plurality of spray heads (9) positioned in the racking system (7) for periodically spraying each tray (10) w