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Table 6 Composition of selected2 fatty acids of piglets’ plasma (%)

From: Effects of dietary hemp seed oil to sows on fatty acid profiles, nutritional and immune status of piglets

  Dietary treatment1 SEM P-value
  H HS S   Diet Day3×Diet
Day of age 4 16 28 4 16 28 4 16 28    
SFA 34.6 39.2 36.4 36.3 36.6 35.3 35.1 37.8 35.8 0.498 < 0.001 < 0.001
C14:0 0.65 0.73 0.84 0.80 0.88 0.99 0.81 0.88 0.99 0.098 0.31 0.58
C16:0 20.0 25.3 24.3 21.8 23.3 23.9 21.6 25.4 24.2 0.754 0.002 < 0.001
C18:0 13.2d 12.4 10.8b 12.4c 11.7c 10.0a 11.8c 11.1b 9.47a 0.378 0.03 0.78
MUFA 24.3c 17.0a 15.3a 27.2c 19.8b 18.2b 29.5c 22.1b 20.5b 1.504 0.04 0.58
C16:1n-7 2.34 3.40 3.23 2.65 3.71 3.54 2.36 3.42 3.26 0.247 0.42 0.08
C16:1n-9 0.57 0.25 0.29 0.60 0.28 0.33 0.61 0.29 0.33 0.055 0.79 0.53
C18:1n-9 18.6bcd 11.2a 10.1a 20.7 cd 13.3ab 12.3ab 23.2d 15.9abc 14.8abc 1.224 0.02 0.29
C18:1n-7 2.45 1.74 1.44 2.67 1.95 1.65 2.74 2.02 1.72 0.127 0.16 0.93
PUFA 39.4a 44.2b 47.8c 37.5a 42.3b 45.9c 34.8a 39.6b 43.2c 1.300 0.03 0.82
C18:2n-6 29.2 33.7 34.4 27.4 31.9 32.7 26.6 31.1 31.8 1.603 0.38 0.54
C18:3n-6 0.42 0.52 0.72 0.70 1.63 0.26 1.15 0.36 2.34 0.923 0.07 0.03
C18:3n-3 1.76 2.01 2.71 1.42 1.81 1.90 0.90 0.99 1.14 0.148 < 0.001 < 0.001
C20:3n-6 0.57c 0.56c 0.55c 0.47b 0.47b 0.45b 0.28a 0.27a 0.26a 0.035 < 0.001 0.26
C20:4n-6 5.03 4.88 6.15 5.15 5.00 6.28 4.58 4.43 5.71 0.366 0.35 0.92
C20:5n-3 0.28c 0.28c 0.45c 0.16b 0.16b 0.34c 0.00a 0.004a 0.17b 0.031 < 0.001 0.26
C22:1n-9 0.40 0.38 0.25 0.53 0.50 0.37 0.52 0.49 0.37 0.149 0.70 0.12
C22:5n-3 0.84b 0.92b 1.26b 0.78b 0.86b 1.20b 0.49a 0.56a 0.91a 0.062 < 0.001 0.79
C22:6n-3 0.80 0.93 1.32 0.87 1.00 1.40 0.57 0.70 1.10 0.116 0.08 0.82
n-6 35.6 39.9 42.3 34.2 38.6 41.0 33.0 37.4 39.8 1.246 0.23 0.69
n-3 3.84 cd 4.27 cd 5.46e 3.30bc 3.73c 4.93de 1.83a 2.26ab 3.45c 0.204 < 0.001 0.15
n-6/n-3 9.64ab 9.30ab 7.42a 10.6abc 10.2ab 8.34a 17.7d 17.4 cd 15.5bcd 1.202 < 0.001 0.10
  1. SEM standard error of mean
  2. 1H = basal diet and hemp seed oil in ratio 95:5, HS = basal diet and mix of soybean and hemp seed oils (50:50) in ratio 95:5; S = basal diet and soybean oil in ratio 95:5; basal diet formulated according to Danish Nutrient Standards for Lactating Sows [24]
  3. 2Such fatty acids as C4:0, C8:0, C10:0, C12:0, C15:0, C16:1n-9, C17:1, C20:0, C22:0 were also present (concentration < 0.3%)
  4. 3Effect of day is significant for all sampling days, except C18:3n-6, C20:3n-6, C22:1n-9 and n-6/n-3 ratio P > 0.05
  5. a,b,c,d,eMean values within a row with unlike superscript letters are significantly different