Table 2 Fatty acids composition (% of total lipid) of the experimental diets.

From: Freshwater microalgae (Schizochytrium sp.) as a substitute to fish oil for shrimp feed

Fatty acids Experimental diets
1 2 3 4 5 6 7 8
C8 2.81 4.03 2.35 2.08 2.86 3.20 3.17 3.28
C10 0.94 0.95 0.41 0.35 0.36 0.36 0.36 0.36
C11 0.66 0.65 0.29 0.29 0.29 0.29 0.29 0.29
C12 0.34 0.31 0.18 0.19 0.21 0.22 0.22 0.22
C13 0.24 0.24 0.24 0.24 0.24 0.23 0.24 0.24
C14 3.26 2.95 2.96 2.65 3.06 3.56 3.44 3.73
C15 0.26 0.32 0.40 0.47 0.58 0.70 0.68 0.76
C16 12.64 45.32 18.75 20.48 24.34 28.10 28.25 30.90
C17 0.00 0.14 0.17 0.21 0.24 0.27 0.27 0.29
Cis-10-C17 0.52 0.44 0.40 0.33 0.33 0.36 0.35 0.35
C18 2.16 2.27 2.38 2.19 2.11 2.15 2.14 1.97
C20 0.09 0.11 0.13 0.14 0.14 0.15 0.16 0.15
C23 19.97 19.69 19.79 19.61 19.76 19.69 19.70 19.87
C24 0.74 0.65 0.62 0.55 0.56 0.61 0.60 0.60
C16:1n-7 4.69 3.52 2.81 1.84 1.81 2.06 2.00 1.99
C18:1n-9 11.69 10.76 10.72 7.64 6.21 4.60 5.39 3.84
C18:2n-6 10.47 16.60 10.21 17.19 13.76 8.63 12.77 9.22
C18:3n-3 1.55 2.40 2.89 5.92 5.48 5.62 1.96 1.32
C20:1n-9 5.29 3.00 2.00 0.32 0.29 0.27 0.29 0.26
C20:3n-3 0.50 0.44 0.57 0.60 0.68 0.79 0.75 0.80
C20:5n-3 7.02 4.95 4.08 2.56 2.34 2.79 2.42 2.67
C22:6n-3 4.73 5.59 7.17 8.42 10.77 13.34 12.87 14.72
Major groups
Σ SFA 44.63 78.07 49.07 49.78 55.08 59.89 59.87 63.01
Σ MUFA 21.67 17.28 15.53 9.80 8.31 6.93 7.68 6.09
Σ n-6 10.47 16.60 10.21 17.19 13.76 8.63 12.77 9.22
Σ n-3 13.80 13.38 14.71 17.50 19.27 22.54 8.00 19.51
Σ LC-PUFA 12.25 10.98 11.82 11.58 13.79 16.92 16.04 18.19
n-3/n-6 1.31 1.22 1.44 1.02 1.40 2.61 0.63 2.12
  1. SFA, saturated fatty acids = sum C8 to C24.
  2. MUFA, monounsaturated fatty acids = C16:1n-7 + C18:1n-9 + C20:1n-9.
  3. n-6 PUFA, polyunsaturated fatty acids = C18:2n-6.
  4. n-3 PUFA, polyunsaturated fatty acids = C18:3n-3 + C20:3n-3 + C20:5n-3 + C22:6n-3.
  5. LC-PUFA, long chain polyunsaturated fatty acids = C20:3n-3 + C20:5n-3 + C22:6n-3.