PURPOSE: Formula feed for domestic animals containing humus soil, and a producing method thereof are provided to improve the immunity of the domestic animals.CONSTITUTION: Formula feed for domestic animals contains 20-30wt% of grains, 20-30wt% of fermented vegetables, 5-10wt% of fish and egg shells, and 40-50wt% of humus soil. The grains include 10-20wt% of rice bran, 20-40wt% of corn, 20-40wt% of barley, and 10-20wt% of wheat. The fermented vegetables are obtained by fermenting a mixture including the fruit skin, vegetable leaves, and oil cake at 35-40 deg C for 5-7 days. The fish and egg shells include 30-40wt% of egg shells and 60-70wt% of dried fish.COPYRIGHT KIPO 2012본 발명은 생기초탄을 함유하여 면역력과 생산력을 증대시키며, 가축의 육질을 향상시킬 수 있는 가축용 배합 사료 조성물에 관한 것으로, 곡물 20 내지 30 중량%, 발효 야채 20 내지 30 중량%, 어패류 5 내지 10 중량% 및 생기초탄 40 내지 50 중량%를 포함한다.