PROBLEM TO BE SOLVED: To provide a pet food capable of preventing an increase in a body fat mass or body weight and suppressing an increase in a muscle mass or a decrease in a fat-free mass.SOLUTION: A pet food includes: (A) at least one protein selected from the group consisting of an animal protein and a vegetable protein; (B) at least one oil selected from the group consisting of an animal oil and a vegetable oil; (C) defatted sesame; and (D) at least one palatability enhancing agent selected from the group consisting of a meat extract, a fish and shellfish extract, a visceral extract, a yeast extract, a dairy processed product, and hydrolyzate of them.
