Research Article

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 acidsFeeding regimes
ABCDEF

C10:00.333 ± 0.015b0.185 ± 0.004a0.950 ± 0.02f0.480 ± 0.01c0.631 ± 0.010d0.785 ± 0.005e
C12:00.228 ± 0.004c0.115 ± 0.091a0.227 ± 0.138d0.492 ± 0.162e0.315 ± 0.221b0.463 ± 0.245e
C15:00.490 ± 0.010a0.630 ± 0.010b0.945 ± 0.045c0.955 ± 0.005c0.645 ± 0.015b0.615 ± 0.005b
C16:018.90 ± 0.010b16.750 ± 0.600a19.255 ± 0.055b19.775 ± 0.075c18.965 ± 0.095b17.160 ± 0.060a
C17:00.720 ± 0.010b0.700 ± 0.010b0.700 ± 0.010b0.735 ± 0.005b0.625 ± 0.005a0.650 ± 0.050a
C18:06.525 ± 0.025d6.400 ± 0.100c6.365 ± 0.065c5.810 ± 0.080b5.785 ± 0.035b4.710 ± 0.060a
C20:00.383 ± 0.015d0.360 ± 0.010c0.225 ± 0.015a0.245 ± 0.005a0.315 ± 0.005b0.455 ± 0.015e
C24:00.250 ± 0.010d0.145 ± 0.005c0.000a0.000a0.000a0.0250 ± 0.010b
C14:01.693 ± 0.015a1.675 ± 0.015a1.850 ± 0.050b4.535 ± 0.015e3.900 ± 0.070d2.025 ± 0.015c
C14:10.200 ± 0.010b0.360 ± 0.010d0.360 ± 0.010d0.360 ± 0.010d0.150 ± 0.010a0.310 ± 0.01c
C15:10.175 ± 0.005d0.160 ± 0.01c0.060 ± 0.010b0.560 ± 0.010e0.000 ± 0.000a0.050 ± 0.010b
C17:10.630 ± 0.010d0.853 ± 0.015e0.415 ± 0.005b0.475 ± 0.015c0.380 ± 0.010a0.650 ± 0.030b
C20:10.165 ± 0.005a0.145 ± 0.005a0.125 ± 0.005a0.000 ± 0.000a0.120 ± 0.010a0.540 ± 0.440b
C20:21.070 ± 0.030a0.812 ± 0.578a1.200 ± 0.010a0.750 ± 0.010a0.721 ± 0.535a1.350 ± 0.050a
C18:1 (n−9) C35.603 ± 0.015a33.807 ± 5.873a38.200 ± 0.300ab34.600 ± 0.500a38.025 ± 0.065ab42.430 ± 0.350b
C18:1 (n−11) C0.520 ± 0.010d0.580 ± 0.010e0.235 ± 0.015a0.300 ± 0.010b0.310 ± 0.010b0.445 ± 0.005c
C18:2 (n−6) C8.223 ± 0.025a8.943 ± 0.095b8.250 ± 0.150a10.335 ± 0.035e9.805 ± 0.045d9.220 ± 0.030c
C18:3n60.870 ± 0.020c0.803 ± 0.015b0.515 ± 0.015a0.515 ± 0.015a0.890 ± 0.010c1.050 ± 0.050d
C18:3n31.073 ± 0.025c1.300 ± 0.010e0.900 ± 0.020a1.400 ± 0.020f1.140 ± 0.030d1.000 ± 0.010b
C20:3n90.775 ± 0.005d0.575 ± 0.025b0.645 ± 0.015c0.445 ± 0.015a0.485 ± 0.015a0.538 ± 0.053b
C20:3n61.170 ± 0.010e0.745 ± 0.015c0.695 ± 0.015b0.200 ± 0.010a0.765 ± 0.015c0.880 ± 0.030d
C20:3n32.750 ± 0.020e2.330 ± 0.040d1.845 ± 0.035b1.995 ± 0.015c1.965 ± 0.035c1.080 ± 0.030a
C20:n3 EPA2.155 ± 0.015c2.315 ± 0.015d2.195 ± 0.025c2.000 ± 0.110b1.950 ± 0.020b1.255 ± 0.035a
C22:5n3 DPA0.740 ± 0.010c0.850 ± 0.050d0.960 ± 0.020e0.205 ± 0.005a0.440 ± 0.030b0.240 ± 0.010a
C20:4n6 ARA0.280 ± 0.010b0.300 ± 0.010b0.290 ± 0.010b0.305 ± 0.005b0.115 ± 0.005a0.350 ± 0.030c
C22:4n6 DTA0.550 ± 0.010d0.335 ± 0.005c0.245 ± 0.025a0.525 ± 0.005d0.240 ± 0.020a0.285 ± 0.015b
C22:6 ω 38.903 ± 0.055f7.950 ± 0.150e7.265 ± 0.055d6.205 ± 0.025b6.035 ± 0.135a6.375 ± 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 ().