Table 3: Comparison for spottiness parameters of blue-colored groups of rainbow trout categorized according to the blue back color intensity on the back.

Groups Low-BCI vs. High-BCI Student`s t-test(Exact P-value)
- BCI < 50% BCI ≥ 50% -
PBBIN07 - - -
n 80 58 -
BCI value (%) 23.74 ± 16.11 78.46 ± 16.91 -
BW (g) NS 438.79 ± 64.17 459.74 ± 64.57 0.0612
NDS (Nº of dark spots/cm2) NS 4.10 ± 1.46 4.07 ± 1.81 0.9182
DSS (cm2) NS 2.90 ± 1.50 2.91 ± 1.64 0.9794
PBBOT07 - - -
n 191 52 -
BCI values (%) 15.45 ± 14.63 75.05 ± 12.91 -
BW (g) * 371.95 ± 65.81 393.00 ± 71.65 0.0459
NDS (Nº of dark spots/cm2) *** 1.54 ± 0.79 1.14 ± 0.76 0.0014
DSS (cm2) NS 0.07 ± 0.03 0.06 ± 0.03 0.4517
- 1st quartile 4th quartile -
PBBIN07 - - -
n 38 35 -
Quartile values (BCI) 9.08 ± 7.39 90.66 ± 7.95 -
BW (g) * 426.57 ± 56.79 453.56 ± 57.87 0.0482
NDS (Nº of dark spots/cm2) NS 4.13 ± 1.55 4.27 ± 1.93 0.7333
DSS (cm2) NS 2.88 ± 1.49 3.15 78 ± 1.72 0.4703
PBBOT07 - - -
n 62 61 -
Quartile values (BCI) 1.41±1.28 70.92 ± 15.56 -
BW (g) ** 359.55 ± 59.99 391.26 ± 70.21 0.0080
NDS (Nº of dark spots/cm2) *** 1.69 ± 0.79 1.18 ± 0.75 0.0004
DSS (cm2) NS 0.07 ± 0.03 0.06 ± 0.03 0.2869

Values are mean ± Standard Deviation of mean. n = Number of Individuals, BCI = Blue Color Intensity on the back, BW = Body Weight, NDS = Number of Dark Spots, DSS = Dark Spots Size. *P < 0.05;**P < 0.01, ***P < 0.001, NS = Non-Significant Result.