Effects of Different Feeding Regimes on Growth Performance, Survival Rate, Carcass Composition, Fatty Acids Profile, and Digestive Enzyme Activities of Great Sturgeon (Huso huso Linnaeus, 1758) Larvae
Table 5
Changes in fatty acid composition of great sturgeon larvae with different feeding regimes at the end of trail (38 days post hatching).
Fatty acids
Feeding regimes
A
B
C
D
E
F
C10:0
0.333 ± 0.015b
0.185 ± 0.004a
0.950 ± 0.02f
0.480 ± 0.01c
0.631 ± 0.010d
0.785 ± 0.005e
C12:0
0.228 ± 0.004c
0.115 ± 0.091a
0.227 ± 0.138d
0.492 ± 0.162e
0.315 ± 0.221b
0.463 ± 0.245e
C15:0
0.490 ± 0.010a
0.630 ± 0.010b
0.945 ± 0.045c
0.955 ± 0.005c
0.645 ± 0.015b
0.615 ± 0.005b
C16:0
18.90 ± 0.010b
16.750 ± 0.600a
19.255 ± 0.055b
19.775 ± 0.075c
18.965 ± 0.095b
17.160 ± 0.060a
C17:0
0.720 ± 0.010b
0.700 ± 0.010b
0.700 ± 0.010b
0.735 ± 0.005b
0.625 ± 0.005a
0.650 ± 0.050a
C18:0
6.525 ± 0.025d
6.400 ± 0.100c
6.365 ± 0.065c
5.810 ± 0.080b
5.785 ± 0.035b
4.710 ± 0.060a
C20:0
0.383 ± 0.015d
0.360 ± 0.010c
0.225 ± 0.015a
0.245 ± 0.005a
0.315 ± 0.005b
0.455 ± 0.015e
C24:0
0.250 ± 0.010d
0.145 ± 0.005c
0.000a
0.000a
0.000a
0.0250 ± 0.010b
C14:0
1.693 ± 0.015a
1.675 ± 0.015a
1.850 ± 0.050b
4.535 ± 0.015e
3.900 ± 0.070d
2.025 ± 0.015c
C14:1
0.200 ± 0.010b
0.360 ± 0.010d
0.360 ± 0.010d
0.360 ± 0.010d
0.150 ± 0.010a
0.310 ± 0.01c
C15:1
0.175 ± 0.005d
0.160 ± 0.01c
0.060 ± 0.010b
0.560 ± 0.010e
0.000 ± 0.000a
0.050 ± 0.010b
C17:1
0.630 ± 0.010d
0.853 ± 0.015e
0.415 ± 0.005b
0.475 ± 0.015c
0.380 ± 0.010a
0.650 ± 0.030b
C20:1
0.165 ± 0.005a
0.145 ± 0.005a
0.125 ± 0.005a
0.000 ± 0.000a
0.120 ± 0.010a
0.540 ± 0.440b
C20:2
1.070 ± 0.030a
0.812 ± 0.578a
1.200 ± 0.010a
0.750 ± 0.010a
0.721 ± 0.535a
1.350 ± 0.050a
C18:1 (n−9) C
35.603 ± 0.015a
33.807 ± 5.873a
38.200 ± 0.300ab
34.600 ± 0.500a
38.025 ± 0.065ab
42.430 ± 0.350b
C18:1 (n−11) C
0.520 ± 0.010d
0.580 ± 0.010e
0.235 ± 0.015a
0.300 ± 0.010b
0.310 ± 0.010b
0.445 ± 0.005c
C18:2 (n−6) C
8.223 ± 0.025a
8.943 ± 0.095b
8.250 ± 0.150a
10.335 ± 0.035e
9.805 ± 0.045d
9.220 ± 0.030c
C18:3n6
0.870 ± 0.020c
0.803 ± 0.015b
0.515 ± 0.015a
0.515 ± 0.015a
0.890 ± 0.010c
1.050 ± 0.050d
C18:3n3
1.073 ± 0.025c
1.300 ± 0.010e
0.900 ± 0.020a
1.400 ± 0.020f
1.140 ± 0.030d
1.000 ± 0.010b
C20:3n9
0.775 ± 0.005d
0.575 ± 0.025b
0.645 ± 0.015c
0.445 ± 0.015a
0.485 ± 0.015a
0.538 ± 0.053b
C20:3n6
1.170 ± 0.010e
0.745 ± 0.015c
0.695 ± 0.015b
0.200 ± 0.010a
0.765 ± 0.015c
0.880 ± 0.030d
C20:3n3
2.750 ± 0.020e
2.330 ± 0.040d
1.845 ± 0.035b
1.995 ± 0.015c
1.965 ± 0.035c
1.080 ± 0.030a
C20:n3 EPA
2.155 ± 0.015c
2.315 ± 0.015d
2.195 ± 0.025c
2.000 ± 0.110b
1.950 ± 0.020b
1.255 ± 0.035a
C22:5n3 DPA
0.740 ± 0.010c
0.850 ± 0.050d
0.960 ± 0.020e
0.205 ± 0.005a
0.440 ± 0.030b
0.240 ± 0.010a
C20:4n6 ARA
0.280 ± 0.010b
0.300 ± 0.010b
0.290 ± 0.010b
0.305 ± 0.005b
0.115 ± 0.005a
0.350 ± 0.030c
C22:4n6 DTA
0.550 ± 0.010d
0.335 ± 0.005c
0.245 ± 0.025a
0.525 ± 0.005d
0.240 ± 0.020a
0.285 ± 0.015b
C22:6 ω 3
8.903 ± 0.055f
7.950 ± 0.150e
7.265 ± 0.055d
6.205 ± 0.025b
6.035 ± 0.135a
6.375 ± 0.065c
Data are mean ± SD. Fatty acid composition expressed as percentage/100 g larval sample. a,b,c,d,e Different superscript letters within a column indicate significant differences ().