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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