Table 5 pH, Water-holding capacity (WHC), peroxide value (PV), and Thiobarbituric acid reactive substances (TBARS) values of Pangasianodon hypophthalmus fed with varying levels of dietary protein and lipids.

One-way ANOVA

DP28/DL4

7.06 ± 0.01f.

78.07 ± 0.04^d

0.67 ± 0.07^a

0.44 ± 0.05^a

DP28/DL6

6.91 ± 0.04^bc

77.91 ± 0.04 ^cd

0.73 ± 0.01^ab

0.46 ± 0.01^b

DP28/DL8

6.83 ± 0.01^a

77.45 ± 0.22^b

0.8 ± 0.06^b

0.56 ± 0.04f.

DP30/DL4

6.95 ± 0.02 ^cd

77 ± 0.03^a

0.73 ± 0.03^ab

0.61 ± 0.01 ^g

DP30/DL6

6.87 ± 0.03^ab

77.8 ± 0.05 ^cd

0.97 ± 0.05^c

0.5 ± 0.07^d

DP30/DL8

6.97 ± 0.05^de

77.7 ± 0.18^bc

0.97 ± 0.03^c

0.61 ± 0.04 ^g

DP32/DL4

7.01 ± 0.01^e

77.8 ± 0.06 ^cd

0.7 ± 0.01^ab

0.49 ± 0.02^c

DP32/DL6

6.88 ± 0.01^ab

77.65 ± 0.1^bc

0.73 ± 0.014^ab

0.52 ± 0.04^e

DP32/DL8

7.00 ± 0.02^e

77.83 ± 0.05 ^cd

0.77 ± 0.06^ab

0.61 ± 0.03 ^g

p-value

0.019

0.004

 < 0.001

 < 0.001

Two-way ANOVA

Dietary protein level (%)

28

6.93^a

77.81^b

0.73^a

0.49^a

30

6.92^a

77.49^a

0.89^b

0.58^c

32

6.96^b

77.76^b

0.73^a

0.54^b

SEM

0.009

0.062

0.020

 < 0.001

p-value

0.047

0.004

 < 0.001

 < 0.001

Dietary lipid level (%)

4

7.01^c

77.62

0.70^a

0.52^b

6

6.88^a

77.79

0.81^b

0.49^a

8

6.93^b

77.66

0.84^b

0.60^c

SEM

0.009

0.062

0.020

 < 0.001

p-value

 < 0.001

0.170

 < 0.001

 < 0.001

DP × DL

p-value

 < 0.001

 < 0.001

0.067

 < 0.001