Histology of ilium part of small intestine of different treatments. PC, positive control; NC1, negative control 1; NC1L, NC1 + Lipase at 0.015%; NC1LB, NC1 + lipase at 0.015% + bile acids at 0.05%; NC2, negative control 2; NC2L, NC2 + Lipase at 0.015%; NC2LB, NC2 + lipase at 0.015% + bile acids at 0.05%; NC2 (2LB) (NC2 + 2x (Lipase at 0.03% + bile acids at 0.1%).