Provided is a pet food for senior cats and the like for which the strict regulation of minerals is required. The pet food has a strictly regulated mineral content and stable quality while being of superior palatability. The ratio of free amino acids present on the pet food pellet surface is 5.0% or more relative to the total free amino acid content of the pet food, and the fluctuation between ten lots of product is 1.0% or less as defined by the maximum - minimum total mineral content.
