cultured in six different feeding regimes

Digestive Enzyme activity	LF	AF	Feeding regime
Digestive Enzyme activity	LF	AF	MF13	LF-AF-13	LF-AF-18	LF-MF-13
Specific amylase activity (mg maltose mg protein^-1 h^-1)	0.09 ± 0.01^d	0.15 ± 0.02^c	0.13 ± 0.01^c	0.16 ± 0.02^c	0.23 ± 0.01^a	0.19 ± 0.01^b
Chitinase (mg NAG g^-1 wet weight h^-1)	44.31 ± 0.21^a	5.91 ± 0.85^e	19.56 ± 3.02^b	8.73 ± 0.2^d	17.73 ± 0.84^{^c}	20.4 ± 2.33^b
Chitinobiase (mg NAG g^-1 wet weight h^-1)	44.73 ± 0.36^a	5.13 ± 0.46^d	17.64 ± 0.15^c	5.22 ± 0.20^d	17.68 ± 2.61^c	21.33 ± 0.49^b
Protease (mUnits mg protein^-1 min^-1)	569.72 ± 52.0^d	682.5 ± 57.4^c	1219.32 ± 20^b	432.66 ± 28.8^e	661.64 ± 28.8^c	1261 ± 52.0^a
Trypsin (mUnits mg protein^-1 min^-1)	38.62 ± 4.14^d	49.31 ± 6.64^c	60.77 ± 7.86^b	38.0 ± 2.49^d	57.15 ± 2.60^c	74.86 ± 5.78^a
Chymotrypsin (mUnits mg protein^-1 min^-1)	519.21 ± 10^b	172.14 ± 5^e	485.81 ± 10^c	363.64 ± 20^d	471.30 ± 15^c	552.43 ± 9^a
Carboxypeptidase A (∆ Abs g^-1 tissue min^-1)	2.66 ± 0.4^f	12.46 ± 1.42^c	24.32 ± 1.41^a	18.37 ± 2.18^b	9.70 ± 0.93^d	6.68 ± 0.48^e
Carboxypeptidase B (∆ Abs g^-1 tissue min^-1)	1.16 ± 0.26^d	1.4 ± 0.11^d	5.08 ± 0.98^b	7.74 ± 0.12^a	5.14 ± 1.37^b	3.24 ± 0.57^c
Specific lipase activity (mUnits mg protein^-1)	109.34 ± 6.73^e	131.64 ± 8.1^d	179.53 ± 10.04^b	150.27 ± 8^c	167.31 ± 7.1^b	227.93 ± 17^a

Table 2: Digestive enzyme profiles of Catla catla cultured in six different feeding regimes. Mean (n= 3) followed by different letters in the same row are significantly (p<0.05) different.

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