A mixing truck (1) for preparing and dispensing feed mixes comprises a supporting chassis (10), a mixing container (3), loading means (5) for loading feed mixes into the container (3), an engine compartment (4) for housing the means of propulsion of the truck, and means (7) for dispensing the feed mix to livestock. The truck (1) additionally comprises a feed mix dispensing conduit (6) which receives the feed mix exiting the discharge opening (31) of the container (3) to send it to the dispensing means (7), wherein the dispensing conduit (6) extends parallel to a longitudinal axis of the truck (1) and is positioned entirely underneath the engine compartment (4).