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Table 2 Blood concentrations of fatty acids at baseline and at 16 weeks in dogs receiving fish oil or corn oil supplementation

From: Evaluating oxidative stress, serological- and haematological status of dogs suffering from osteoarthritis, after supplementing their diet with fish or corn oil

Variable Fish oil Corn oil Between groups
Baseline End of trial P-value/direction Baseline End of trial P-value/direction Baseline P-value End P-value
Fatty acids, %
 PA, C16:0 15.44 ± 1.38 14.99 ± 1.88 0.191 14.99 ± 1.31 14.60 ± 1.28 0.002 ↓ 0.183 0.336
 SA, C18:0 21.42 ± 1.49 21.38 ± 1.65 0.891 21.87 ± 1.62 21.85 ± 1.67 0.919 0.246 0.252
 OLA, C18:1 ω-9 9.57 ± 1.43 9.43 ± 2.41 0.758 9.13 ± 1.23 8.90 ± 1.14 0.243 0.180 0.255
 PO, C16:1 ω7 0.99 ± 0.35 0.85 ± 0.30 0.004 ↓ 0.91 ± 0.28 0.87 ± 0.25 0.407 0.339 0.739
 LA, C18:2 ω-6 22.97 ± 2.36 20.91 ± 2.26 <0.001 ↓ 23.17 ± 2.60 24.13 ± 2.79 0.007 0.743 <0.001 b
 GLA, C18:3 ω-6 0.19 ± 0.07 0.13 ± 0.05 <0.001 ↓ 0.17 ± 0.07 0.20 ± 0.10 0.018 0.322 0.001 b
 EDA, C20:2 ω6 0.32 ± 0.09 0.31 ± 0.09 0.545 0.37 ± 0.08 0.36 ± 0.08 0.625 0.065 0.044 b
 DHGLA, C20:3 ω-6 0.88 ± 0.19 0.81 ± 0.27 0.111 0.95 ± 0.24 0.89 ± .25 0.011 ↓ 0.246 0.223
 AA, C20:4 ω-6 19.48 ± 2.26 14.2 ± 2.06 <0.001 ↓ 19.48 ± 2.59 20.15 ± 2.51 0.030 0.995 <0.001 b
 ALA, C18:3 ω-3 0.33 ± 0.11 0.31 ± 0.08 0.353 0.33 ± 0.14 0.34 ± 0.28 0.919 0.971 0.632
 EPA, C20:5 ω-3 0.98 ± 0.48 6.81 ± 2.96 <0.001 1.04 ± 0.44 0.70 ± 0.31 <0.001 ↓ 0.633 <0.001 a
 DPA, C22:5 ω-3 2.07 ± 0.45 3.11 ± 0.99 <0.001 2.16 ± 0.62 1.96 ± 0.57 0.004 ↓ 0.529 <0.001 a
 DHA, C22:6 ω-3 1.52 ± 0.59 3.00 ± 1.04 <0.001 1.56 ± 0.71 1.30 ± .50 0.006 ↓ 0.790 <0.001 a
  1. P-values for changes within and between groups; significant (P < 0.05) values bolded. aHigher values in the fish oil group; bHigher values in the corn oil group. See Table 1 for fatty acid abbreviations. ↑ Value increased significantly; ↓ Value decreased significantly