Enhancing Ecoefficiency in Shrimp Farming through Interconnected Ponds

Table 2

Water exchange, survival, final body weight, total production, and feed conversion ratio per module during trial Litopenaeus vannamei.

Variables	M1	M2	M3
Water exchange day (%)	1.6 ± 0.24	1.6 ± 0.24	1.5 ± 0.22
Survival (%)	74.8 ± 7.6^a	70.9 ± 4.7^a	78.0 ± 6.7^a
Day of trial	187	187	157
Stocking density (PL/m^2)	30	30	35
Water flow (m^3 ha^−1 cycle^−1)	27,700	27,700	24,100
Final body weight (g)	19.14 ± 0.69^b	20.0 ± 0.82^b	17.17 ± 0.88^a
Production (Kg ha^−1)	4285 ± 292^a	4250 ± 202^a	4683 ± 384^b
Feed added (Kg ha^−1 cycle^−1)	7801 ± 282	8074 ± 242	8115 ± 495
Feed conversion ratio	1.82 ± 0.11^a	1.9 ± 0.04^a	1.74 ± 0.18^a

Different letters among modules for each variable indicate significant differences (ANOVA Kruskal-Wallis, one via ).