A machine for rehydrating dehydrated food for pets,the machine may comprise a casing (11)for containing the capsule (21), at least one food-dish container (2) for pets, a water tank (3), water supply means (4, 5) which supply water from the tank (3) for mixing with the dose of dehydrated food, mixing means (6, 33, 38) for mixing the dehydrated food with the water, and means (7) for controlling the volume of water supplied for the mixing and for controlling the operational time (8) of the mixing means (6, 33, 38).The invention also relates to a capsule incorporating dehydrated food in multi-dose or single-dose packaging for use with said machine.