Dietary Niacin Requirement of Juvenile Chinese Mitten Crab, Eriocheir sinensis

Table 2

Growth performance, survival rate, and feed utilization of Eriocheir sinensis fed with different levels of niacin.

	Diets						^a
	G1	G2	G3	G4	G5	G6
(g)							1.000	1.000	1.000
(g)							0.000	0.000	0.000
WGR (%)							0.000	0.000	0.000
SGR (%/day)							0.000	0.000	0.000
SR (%)							0.131	0.117	0.052
FCR							0.358	0.064	0.316
DFR (%)							0.056	0.117	0.017

Abbreviations: : initial individual weight; : final individual weight; WGR: weight gain rate; SGR: specific growth rate; SR: survival rate; FCR: feed conversion ratio; DFR: daily feeding rate. Data in the same line with different superscript letters are significantly different () as determined by Tukey’s test. The values are the (). ^aSignificance probability associated with the -statistic. : the variance analyzed by one-way ANOVA; : linear trend analyzed by orthogonal polynomial contrasts; : quadratic trend analyzed by orthogonal polynomial contrasts.