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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 °CDiet (% protein)Ave in wt (g)Ave fn wt (g)TGCFCRPD g/fishFI g/fish/day
18D285.11 ± 0.02Aa22.13 ± 0.05Af0.49 ± 0.03Ae3.57 ± 0.12Aa0.11 ± 0.03Ae0.84 ± 0.02De
D325.15 ± 0.07Aa33.21 ± 0.02Ae0.68 ± 0.07Ad2.63 ± 0.09Ab0.15 ± 0.04Ad1.02 ± 0.05Dd
D365.13 ± 0.05Aa46.45 ± 0.03Ad0.87 ± 0.06Ac1.99 ± 0.07Ac0.19 ± 0.03Ac1.14 ± 0.04Cc
D405.12 ± 0.09Aa59.98 ± 0.05Aa1.01 ± 0.02Aa1.61 ± 0.09Af0.23 ± 0.04Aa1.23 ± 0.03Aa
D445.14 ± 0.02Aa58.65 ± 0.02Aa0.99 ± 0.01Aa1.67 ± 0.11Ae0.21 ± 0.01Ab1.24 ± 0.05Aa
D485.15 ± 0.01Aa56.64 ± 0.03Ab0.94 ± 0.02Ab1.69 ± 0.05Ae0.19 ± 0.03Ac1.21 ± 0.04Aa
D525.13 ± 0.01Aa53.43 ± 0.03Ac0.89 ± 0.03Ac1.79 ± 0.13Ad0.16 ± 0.02Ad1.20 ± 0.03Bb
26D285.15 ± 0.02Aa23.45 ± 0.05f0.56 ± 0.04Ff3.44 ± 0.02Aa0.12 ± 0.03Ae0.87 ± 0.02Ff
D325.11 ± 0.07Aa34.34 ± 0.02e0.76 ± 0.07Dd2.56 ± 0.09Ab0.17 ± 0.04Ad1.04 ± 0.05Ee
D365.14 ± 0.05Aa47.13 ± 0.03d0.94 ± 0.06Cc1.87 ± 0.07Ac0.21 ± 0.06Ac1.09 ± 0.04Ee
D405.12 ± 0.09Aa56.59 ± 0.05c1.04 ± 0.02Bb1.62 ± 0.19Ad0.23 ± 0.04Ab1.16 ± 0.05Cd
D445.11 ± 0.02Aa69.12 ± 0.02a1.08 ± 0.01Aa1.48 ± 0.01Af0.26 ± 0.01Aa1.31 ± 0.03Aa
D485.14 ± 0.01Aa67.14 ± 0.03a0.99 ± 0.02Bb1.49 ± 0.01Af0.24 ± 0.03Ab1.28 ± 0.01Ab
D525.12 ± 0.01Aa61.64 ± 0.03b0.93 ± 0.02Cc1.57 ± 0.01Ae0.21 ± 0.04Ac1.23 ± 0.03Bc
P value
Dietary proteinNS0.00070.0030.005NS0.002
TemperatureNS0.00010.0010.0030.00010.005
Dietary protein x tempNSNSNSNSNSNS
  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)