While the horse receives the bulk of the nutrients as his food is broken down, he's not the only one who benefits; the microbes take their share and thus maintain their populations. Their presence is essential to the horse, who could not digest fiber (the bulk of his diet) without them.

To continue reading this article, become a member of TheHorse.com.

It's FREE and you'll get full access to more than 20,000 articles, video, free reports & more.

Sign In