Aquaculture Research

Research Article

Evaluation of High Stocking Densities on the Water Quality and Growth Performance of Pacific White Shrimp Litopenaeus vannamei Reared in a Mixotrophic Biofloc Nursery System

Table 2

The results (mean ± SE.) of L. vannamei (3 mg initial weight) growth performance and yield after 21 days of intensive culture during nursery phase.


Parameters	Treatments			p-Value
Parameters	G5000	G4000	G3000	p-Value

FBW (g)	0.48 ± 0.01	0.46 ± 0.02	0.49 ± 0.002	0.523
WG (%)	15966 ± 386	15558 ± 787	16471 ± 72	0.523
FCR	0.86 ± 0.04	0.86 ± 0.04	0.78 ± 0.08	0.566
WGR (g/week)	0.15 ± 0.005	0.15 ± 0.01	0.16 ± 0.001	0.523
SGR (%/day)	24.18 ± 0.11	24.05 ± 0.23	24.33 ± 0.02	0.525
SR (%)	71.63 ± 2.11	75.05 ± 0.31	80.66 ± 8.56	0.527
Yield (kg/m³)	1.72 ± 0.09^a	1.41 ± 0.06^ab	1.27 ± 0.12^b	0.092

Note: Treatments included: G5000, 5,000 PL/m³; G4000, 4,000 PL/m³; G3000, 3,000 PL/m³. Different superscript letters imply significant differences at . FBW, final body weight; FCR, feed conversion ratio; WGR, weekly growth rate; SGR, specific growth rate; SR, survival rate.