Skip to main content

View full-text article in PMC

. 2015 Aug 8;6(1):34. doi: 10.1186/s40104-015-0032-1

Table 5.

Effects of dietary threonine levels on activities of tryspin, chymotrypsin, alpha-amylase and lipase in intestine of sub-adult grass carp^d

Item	Dietary Thr levels, g/kg diet
	3.3	5.9	8.4	10.9	13.1	15.8
Trypsin, U/g protein	177.2 ± 10.2^a	239.9 ± 12.5^b	252.6 ± 12.1^b	291.2 ± 16.8^c	286.1 ± 10.0^c	294.0 ± 10.6^c
Chymotrypsin, U/g protein	1.03 ± 0.09^a	1.00 ± 0.08^a	2.29 ± 0.15^c	1.58 ± 0.14^b	1.45 ± 0.14^b	1.48 ± 0.12^b
alpha-amylase, U /mg protein	2.46 ± 0.12^a	2.51 ± 0.19^a	2.84 ± 0.09^b	2.75 ± 0.06^b	2.73 ± 0.04^b	2.77 ± 0.04^b
Lipase, U/g protein	19.11 ± 1.29^ab	20.97 ± 1.77^bc	22.71 ± 2.00^c	22.55 ± 2.41^c	21.06 ± 2.34^bc	17.93 ± 1.26^a

^a,b,cMeans in the same row without a letter in common are significantly different (P< 0.05)

^dValues are mean ± SD (n = 6)