Effects of Dietary Fishmeal Replacement with Soybean Meal on Growth Performance, Digestion, Hepatic Metabolism, Antioxidant Capacity, and Innate Immunity of Juvenile Large Yellow Croaker (Larimichthys crocea)
Table 3
Effects of FM replacement with SM on survival and growth performance of juvenile large yellow croaker.
Parameters
Experimental diet
Polynomial contrasts
FM
SM15
SM30
SM45
Linear
Quadratic
Final body length (cm)
13.71 ± 1.26
11.52 ± 0.51
13.63 ± 0.31
12.52 ± 0.46
0.587
0.235
Final body weight (g)
39.50 ± 0.70
38.40 ± 0.56
38.27 ± 1.64
34.75 ± 0.54
0.001
0.064
Specific growth rate (%/day)
1.55 ± 0.04
1.50 ± 0.02
1.48 ± 0.06
1.34 ± 0.02
0.001
0.058
Viscerosomatic index (%)
5.47 ± 0.46
4.01 ± 0.14
6.72 ± 0.74
5.12 ± 0.84
0.932
0.573
Hepatosomatic index (%)
1.74 ± 0.43
1.45 ± 0.12
2.15 ± 0.40
1.50 ± 0.18
0.193
0.791
Survival rate (%)
81.11 ± 2.55
82.78 ± 1.92
81.67 ± 1.67
81.67 ± 3.33
0.708
0.531
Linear = P value of linear trend analyzed by orthogonal polynomial contrasts; Quadratic = P value of quadratic trend analyzed by orthogonal polynomial contrasts (means ± S.E.M, n = 3).
