A dry pet food comprises a core and an external coating that covers at least a part of the core and is composed of one or more layers, including a covering layer on the outside. The core contains: carbohydrates in a concentration of 20-90 % by weight of the core, including starch in a concentration of 5-50% by weight of the core； protein in a concentration of 10-50% by weight of the core； fat in a concentration of 0-40% by weight of the core. The covering layer is composed of: 1-80 wt.% dry yeast extract； 0.5-60 wt.% of an edible phosphate salt selected from pyrophosphate, triphosphate and combinations thereof； 0-95 wt.% of other edible components. The dry yeast extract is contained in the covering layer in a concentration of 0.1-10% by weight of the dry pet food in a concentration of 0.1-5% by weight of the dry pet food.
