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Table 4 Serum oxidative stress markers in 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

ItemTreatments 
Control oilPeroxidized oilSEMP-value2
CONVITEPOLCONVITEPOLODSO × DO × SS × DO × S × D
8-hydroxydeoxyguanosine, ng/mL
 Day 145.15.55.14.65.14.20.790.1280.6530.7050.4580.2980.5130.856
 Day 354.84.95.74.85.34.8
Protein carbonyl, pmol/mg protein
 Day 142.091.911.931.892.242.100.22< 0.001< 0.0010.446< 0.0010.2310.5530.099
 Day 352.282.582.373.253.113.69
Malondialdehyde, μmol/L
 Day 1411.713.912.58.68.38.40.89< 0.0010.0040.1650.0010.1320.4570.460
 Day 3511.212.214.111.912.012.1
Total antioxidant capacity, Cu reducing equivalents/mL
 Day 1428832330329525526115.87< 0.001< 0.0010.5380.9240.0450.0250.305
 Day 35335355379317310335
  1. 1Values 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