A non-antibiotic feed includes the following components by weight: 330-700 parts of corn, 140-230 parts of soybean meal, 80-210 parts of corn gluten meal, 35-150 parts of oil bran, 15-43 parts of rapeseed meal, 80-130 parts of wheat middling, and a feed additive. The feed additive can include various ingredients, including selenium and superoxide dismutase (SOD). The feed provides improved survival rate for poultry without using antibiotics.