Disclosed is a system for pasteurizing animal food, comprising a pasteurizingunit and a cooling unit that is designed as a heat exchanger (3 or 3). Theheight (H) of the heat exchanger (3 or 3) is a multiple of the maximum width(D) thereof. A pipe is provided inside the heat exchanger (3 or 3) as a coolingserpentine (6) which extends nearly along the entire height (H) of the heat exchanger(3 or 3).
