Table 2 Response of the red swamp crayfish Procambarus clarkii (initial body weight 7–8 mg) under 9-week growth trial (21.8 °C) fed experimental diets. Values presented in interquartile range with mean ± standard deviation in parentheses.

From: Recycling biofloc waste as novel protein source for crayfish with special reference to crayfish nutritional standards and growth trajectory

Diet group

Survival (%)

Final body weight (g)

Live weight gain (mg day−1)

Food conversion ratio

Protein efficiency ratio

Thermal growth coefficient

Control

70a

1.06–3.34 (2.44 ± 1.79)a

17–53 (39 ± 15)a

1.2*

2

0.60–0.94 (0.84 ± 0.14)a

BM33

70a

1.40–3.84 (2.80 ± 1.86)a

22–61 (44 ± 16)a

1.4

1.6

0.68–0.99 (0.89 ± 0.13)a

BM66

80a

0.77–2.15 (1.62 ± 1.19)a

12–34 (26 ± 9)a

1.5

1.5

0.53–0.79 (0.72 ± 0.11)a

BM100

83a

0.25–0.47 (0.41 ± 0.25)b

4–7 (6 ± 1)b

1.8*

1.3

0.32–0.42** (0.40 ± 0.04)b

  1. a,bSuperscripts denote statistically different (p < 0.05) groups.
  2. *Pattern: FCR multiplied by Arginine content of feeds ≈ fulfillment of Arginine requirement (as per crayfish or penaeid standards).
  3. **Below reasonably good growth (TGC 0.47–0.59) for crayfish standards.
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