Jan 1, 1999 · Extrusion process involves higher levels of heat, moisture and pressure than pelleting process (Lundblad et al., 2012). Diets manufactured through extrusion process have high water stability (Rout and Bandyopadhyay, 1999), degradation of some heat labile anti-nutritional factors (Singh et al., 2007a), high starch gelatinization (Romano and Kumar, 2023), and high digestibility (Glencross et al