Table 3.

Activities of digestive enzymes in the intestine (foregut, midgut, and hindgut) of Songpu mirror carp fed diets coated with B. megaterium (U/g protein).

Treatment	Foregut		Midgut		Hindgut
	Control	B. megaterium	Control	B. megaterium	Control	B. megaterium
Amylase	13.86 ± 6.24a	64.64 ± 7.93b	67.46 ± 17.73	39.57 ± 17.80	55.37 ± 4.63	56.03 ± 5.69
Protease	2.02 ± 0.04	2.02 ± 0.24	2.26 ± 0.05	2.38 ± 0.14	1.52 ± 0.04a	1.87 ± 0.19b
Lipase	520.13 ± 90.28a	973.29 ± 50.12b	925.27 ± 110.81	941.74 ± 170.45	706.31 ± 46.15	671.14 ± 150.31

Note: in the same column, values with different small letter superscripts mean significant difference (P < 0.05), while those with the same or no letter superscripts mean no significant difference (P > 0.05).