Parameters

Rearing period (days)

1

14

28

42

56

T (˚C)

27.80 ± 0.00

28.90 ± 0.00

28.70 ± 0.00

27.50 ± 0.00

27.30 ± 0.00

pH

6.80 ± 0.20

6.80 ± 0.20

6.70 ± 0.20

6.80 ± 0.20

6.70 ± 0.20

D.O (mg/l)

7.30 ± 0.22

7.50 ± 0.11

7.50 ± 0.01

7.3 ± 0.06

7.30 ± 0.06

${\text{NO}}_2^{-}$ (mg∙l^-1)

0.0 ± 0.00

0.20 ± 0.01

0.30 ± 0.02

0.30 ± 0.01

0.30 ± 0.02

${\text{NO}}_3^{-}$ (mg∙l^-1)

0.00 ± 0.00

5.00 ± 0.03

6.00 ± 0.01

6.00 ± 0.01

6.00 ± 0.04