ABSTRACT Two experiments were conducted to determine the value of bitter kola as feed ingredient and antimicrobial agent for laying hens and growing rabbits. Vitamin C and mineral analysis of the bitter kola showed that it contained 0.028 mg/g magnesium, 0.025mg/g calcium, 0.161mg/g potassium, 0.057mg/g phosphorus, 0.282mg/g sodium, 0.400mg/g chlorine, 0.073mg/g sulphur, 0.02mg/g Fe, 0.003mg/g zinc, 0.05 mg/g cupper, 0.012mg/g manganese and 11.43mg/100g vitamin C. In the first experiment, ...