Starch degradability itself is affected by the proportion of amylose — amylopectin being higher, as more of the latter exists in the molecule (Moran, 1982). Lately, the term “resistant 2472 (Englyst et al., 1982). This is variable in corn and other plant seeds and can significantly influence the AMEn content of these feedstuffs (Tester et al., 2004).