Cargill PROMOTE Amaferm is a feed additive for ruminants to increase milk production, digestibility and feed efficiency. Amaferm helps stimulate the growth of fungi and bacteria that occur in the rumen, providing ample nutrients for the animal’s development. It acts as a prebiotic, delivering more microbial protein and energy to the animal through increased digestibility. Amaferm is derived from the proprietary fermentation of , a fungus commonly used in the production of many Asian foods including soy sauce, miso and sake.