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Table 3 Growth performance and feed utilization of L. vannamei (initial BW: 1.01 ± 0.01 g) fed the seven experimental diets for 8 weeks

From: Supplemental effects of biofloc powder on growth performance, innate immunity, and disease resistance of Pacific white shrimp Litopenaeus vannamei

Treatment FBW1 WG2 SGR3 FCR4 PER5 FI6 Survival7
Con 6.63 ± 0.55b 565 ± 49.6b 3.32 ± 0.13b 2.25 ± 0.21a 1.10 ± 0.11b 12.8 ± 0.13a 79.6 ± 16.0b
BF0.5 7.12 ± 0.44ab 610 ± 41.5ab 3.44 ± 0.10ab 2.09 ± 0.16ab 1.15 ± 0.09ab 12.8 ± 0.02ab 98.1 ± 3.21a
BF1 7.12 ± 0.82ab 608 ± 70.2ab 3.43 ± 0.17ab 2.10 ± 0.25ab 1.18 ± 0.15ab 12.8 ± 0.01ab 85.2 ± 8.49b
BF2 7.34 ± 0.71ab 635 ± 67.5ab 3.50 ± 0.16ab 2.01 ± 0.22ab 1.24 ± 0.13ab 12.7 ± 0.01ab 88.9 ± 0.00b
BF4 7.90 ± 0.13a 677 ± 8.40a 3.60 ± 0.02a 1.84 ± 0.04b 1.32 ± 0.03a 12.7 ± 0.04ab 85.2 ± 3.21b
BF6 7.27 ± 0.81ab 627 ± 81.4ab 3.47 ± 0.19ab 2.05 ± 0.27ab 1.20 ± 0.16ab 12.7 ± 0.04ab 88.9 ± 5.56b
BF8 7.56 ± 0.38ab 639 ± 39.8ab 3.51 ± 0.10ab 1.91 ± 0.15ab 1.28 ± 0.10ab 12.5 ± 0.48b 90.7 ± 6.42b
  1. Values are mean of triplicate groups and presented as mean ± SD. Values in the same column having different letters are significantly different (LSD; P < 0.05)
  2. 1FBW (g) = Final body weight
  3. 2Weight gain (%) = [(final body weight - initial body weight)/initial body weight] x 100
  4. 3Specific growth rate (%) = 100 x [ln(final body weight) – ln(initial body weight)]/days
  5. 4Feed conversion ratio = dry feed fed/wet weight gain
  6. 5Protein efficiency ratio = fish weight gain (g)/protein
  7. 6Feed intake (g/fish) = dry feed consumed (g)/fish
  8. 7Survival (%)