Pet food contains the main component of conventional pet food and the mixture of the micro-organisms and oil. The main component of the pet food is vacuum coated with the said mixture. The viable micro-organisms included to the mixture are freeze dried probiotic micro-organisms. The method for producing a pet food contains the steps of mixing the probiotic micro-organisms with the fish oil and vacuum coating the mixture on the conventional pet food. The pet food production process is carried out in sealed environment under the pressure of 1 bar or less.
