Fig. 2

Fitted cosine curves of the different salivary analytes studied in female (n = 20) and male (n = 20) pigs in the circadian study in which animals were sampled at 4 h interval in a 12 h period between 7:00 a.m. and 19:00 p.m. Pig-MAP (ng/mL) (A), CRP (ng/mL) (B), Hp (µg/mL) (C), ADA (U/mL) (D), TP (mg/mL) (E), S100A12 (µg/mL) (F), Cu (µg/mL) (G), Zn (µg/mL) (H), TAC (µM/L Trolox equivalents) (I), TOS (µM/L peroxidase equivalents) (J), OSI (TOS/TAC ratio) (K), cortisol (µg/dL) (L) and salivary α-amylase (U/L) (M)