A prebiotic, composition comprising a probiotic and prebiotic, and method of delivering a probiotic, prebiotic or composition directly into the intestinal tract of a mammal are disclosed. The probiotic is any beneficial bacteria and the prebiotic is a substance beneficial to a probiotic. Most preferably, the prebiotic includes a mucopolysaccharide. The method preferably involves delivering the prebiotic, probiotic or composition via a delivery tube, such as an enteral feeding tube, directly to a position downstream of the stomach, most preferably to the jejunum.