what microbes digest starch
In general, there are five types of microbes: 1  cellulolytic bacteria: digest fiber. 2  proteolytic bacteria: break down protein. 3  lactic acid-producing bacteria: digest starch. 4  protozoa: produce volatile fatty acids. 5  fungi/yeasts: break down fiber. 6  other bacteria: produce B-vitamins.he products of forage digestion are volatile fatty acids, which horses use for energy. Humans have some microbes that should stay in balance as well, although they pale in number and function compared to those of herbivores.