Study on the Utilization of Fermented Rice Hull Supplemented with Betel Leaves (Piper betle L) on the Performance and Blood Chemical Profile of Bali Duck

The supply of animal feed could not be separated from feed ingredients that are needed by livestock such as carbohydrates, proteins, fats, and vitamins. Agricultural waste such as rice hull could be used as an alternative feed. With a touch of technology, useless feed ingredients become useful. Utilization of agricultural or agro-industrial waste has a double benefit, as animal feed ingredients and reducing pollution to the environment.