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Table 5 Serum immune status of piglets fed control or peroxidized oil supplemented without or with antioxidants1

From: Growth performance, oxidative stress and immune status of newly weaned pigs fed peroxidized lipids with or without supplemental vitamin E or polyphenols

Item

Treatments

 

Control oil

Peroxidized oil

SEM

P-value2

CON

VITE

POL

CON

VITE

POL

O

D

S

O × D

O × S × D

Interferon-γ, pg/mL

 Day 14

14,510

4936

15,596

10,765

6032

7193

3330

0.408

0.034

0.116

0.158

0.337

 Day 35

14,757

7987

14,824

11,460

10,368

14,351

Interleukin-1α, pg/mL

 Day 14

132

96

97

73

56

63

32

0.601

0.017

0.351

0.009

0.703

 Day 35

47

36

32

84

77

4

Interleukin-1β, pg/mL

 Day 14

2030

1139

891

612

415

518

350

0.307

0.052

0.043

0.003

0.230

 Day 35

388

337

247

735

1092

394

Interleukin-1ra, pg/mL

 Day 14

1254

861

737

637

615

674

160

0.939

0.022

0.083

0.002

0.239

 Day 35

507

414

369

932

635

607

Interleukin-2, pg/mL

 Day 14

1412

406

739

529

377

489

203

0.481

0.010

0.052

0.015

0.149

 Day 35

244

235

203

642

438

259

Interleukin-4, pg/mL

 Day 14

8055

2040

5686

3931

2307

2403

1343

0.774

0.018

0.056

0.010

0.357

 Day 35

1391

1162

901

4510

2956

1747

Interleukin-6, pg/mL

 Day 14

254

154

155

100

73

85

46

0.361

0.006

0.420

0.005

0.590

 Day 35

43

34

30

85

140

37

Interleukin-8, pg/mL

 Day 14

623

757

985

427

507

673

180

0.135

0.827

0.801

0.422

0.799

 Day 35

672

821

730

755

607

491

Interleukin-10, pg/mL

 Day 14

3840

2519

2450

1634

1124

1451

657

0.142

0.001

0.317

0.020

0.544

 Day 35

782

566

623

1464

1063

495

Interleukin-12, pg/mL

 Day 14

1588

1310

1193

996

1044

998

147

0.198

0.004

0.263

0.008

0.092

 Day 35

803

817

958

1232

877

873

Interleukin-18, pg/mL

 Day 14

3384

1617

2450

1871

1352

1642

542

0.764

0.021

0.118

0.021

0.459

 Day 35

1104

963

787

2265

1585

1005

Tumor necrosis factor-α, pg/mL

 Day 14

23

251

91

199

35

16

59

0.428

0.419

0.885

0.794

0.023

 Day 35

89

42

131

59

69

70

  1. 1Values analyzed represent least squares means of 8 pigs. Antioxidant supplementation consisted of control (CON), vitamin E (VITE) or polyphenols (POL)
  2. 2Effects abbreviations: O oil source, D day, S supplementation, and their interactions; O × S oil × supplementation (P ≥ 0.05) and S × D = supplementation × day (P ≥ 0.05)