Skip to main content

Table 2 Growth, feed conversion, and protein deposition of H. fossilis fry

From: Effect of water temperature on protein requirement of Heteropneustes fossilis (Bloch) fry as determined by nutrient deposition, hemato-biochemical parameters and stress resistance response

Temperature °C

Diet (% protein)

Ave in wt (g)

Ave fn wt (g)

TGC

FCR

PD g/fish

FI g/fish/day

18

D28

5.11 ± 0.02Aa

22.13 ± 0.05Af

0.49 ± 0.03Ae

3.57 ± 0.12Aa

0.11 ± 0.03Ae

0.84 ± 0.02De

D32

5.15 ± 0.07Aa

33.21 ± 0.02Ae

0.68 ± 0.07Ad

2.63 ± 0.09Ab

0.15 ± 0.04Ad

1.02 ± 0.05Dd

D36

5.13 ± 0.05Aa

46.45 ± 0.03Ad

0.87 ± 0.06Ac

1.99 ± 0.07Ac

0.19 ± 0.03Ac

1.14 ± 0.04Cc

D40

5.12 ± 0.09Aa

59.98 ± 0.05Aa

1.01 ± 0.02Aa

1.61 ± 0.09Af

0.23 ± 0.04Aa

1.23 ± 0.03Aa

D44

5.14 ± 0.02Aa

58.65 ± 0.02Aa

0.99 ± 0.01Aa

1.67 ± 0.11Ae

0.21 ± 0.01Ab

1.24 ± 0.05Aa

D48

5.15 ± 0.01Aa

56.64 ± 0.03Ab

0.94 ± 0.02Ab

1.69 ± 0.05Ae

0.19 ± 0.03Ac

1.21 ± 0.04Aa

D52

5.13 ± 0.01Aa

53.43 ± 0.03Ac

0.89 ± 0.03Ac

1.79 ± 0.13Ad

0.16 ± 0.02Ad

1.20 ± 0.03Bb

26

D28

5.15 ± 0.02Aa

23.45 ± 0.05f

0.56 ± 0.04Ff

3.44 ± 0.02Aa

0.12 ± 0.03Ae

0.87 ± 0.02Ff

D32

5.11 ± 0.07Aa

34.34 ± 0.02e

0.76 ± 0.07Dd

2.56 ± 0.09Ab

0.17 ± 0.04Ad

1.04 ± 0.05Ee

D36

5.14 ± 0.05Aa

47.13 ± 0.03d

0.94 ± 0.06Cc

1.87 ± 0.07Ac

0.21 ± 0.06Ac

1.09 ± 0.04Ee

D40

5.12 ± 0.09Aa

56.59 ± 0.05c

1.04 ± 0.02Bb

1.62 ± 0.19Ad

0.23 ± 0.04Ab

1.16 ± 0.05Cd

D44

5.11 ± 0.02Aa

69.12 ± 0.02a

1.08 ± 0.01Aa

1.48 ± 0.01Af

0.26 ± 0.01Aa

1.31 ± 0.03Aa

D48

5.14 ± 0.01Aa

67.14 ± 0.03a

0.99 ± 0.02Bb

1.49 ± 0.01Af

0.24 ± 0.03Ab

1.28 ± 0.01Ab

D52

5.12 ± 0.01Aa

61.64 ± 0.03b

0.93 ± 0.02Cc

1.57 ± 0.01Ae

0.21 ± 0.04Ac

1.23 ± 0.03Bc

P value

Dietary protein

NS

0.0007

0.003

0.005

NS

0.002

Temperature

NS

0.0001

0.001

0.003

0.0001

0.005

Dietary protein x temp

NS

NS

NS

NS

NS

NS

  1. Ave in wt average initial weight, Ave fn wt average final weight, TGC thermal growth coefficient, FCR feed conversion ratio, PD protein deposition, FI feed intake, different upper case letter indicate significant differences (P < 0.05) between temperatures whereas different with superscripts indicate significant differences between dietary protein levels; NS nonsignificant (P > 0.05)