This research explores using fermented Cordyceps militaris mushroom as a natural feed additive for pigs, offering a safer alternative to antibiotics. The study found that this natural supplement improved pig health by boosting their immune system and antioxidant defenses, while promoting better growth. Impact on everyday life: – Contributes to reducing antibiotic use in livestock, helping combat antibiotic resistance – Supports development of safer, natural food production methods – May lead to healthier meat products for consumers – Demonstrates potential for sustainable farming practices – Could help reduce costs for farmers while improving animal welfare