Effect of raffinose family oligosaccharides (RFO) prebiotic treatment on thiobarbituric acid-reactive (TBA) substances values (mg malondialdehyde (MDA)/kg of meat) in breast muscle, Pectoralis superficialis (a) and lipid oxidation progression in breast muscle within each treatment (b), during the storage at 4 °C. TBA values were compared between RFO prebiotic and the Control treatments on days 0 (0 h), 2 (48 h), 4 (96 h) and 6 (144 h) of meat storage. The assessment involved 2 separate houses, one for prebiotic and one for the Control. The replicate was TBA-reactive substances values per randomly selected bird. There were n = 15 birds selected for RFO and Control group. For each bird, there were 3 samples (repetitions) taken for each storage time point and each sample was analyzed in duplicate. The charts represent means ± standard error (SE) bars. A, B, C: p < 0.001; a,b: p < 0.05.