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Table 8 Effects of dietary fiber intake level on serotonin concentration in serum, follicular fluid and colon tissues of gilts

From: Microbial and metabolomic mechanisms mediating the effects of dietary inulin and cellulose supplementation on porcine oocyte and uterine development

  Treatments P-value
  1.0 DF 1.5 DF 1.75 DF 2.0 DF Linear Quadratic
At 30 d of experiment
 Serum, ng/mL 1422.1 ± 86.6b 1713.4 ± 1115.3ab 2069.1 ± 133.8a 1879.5 ± 105.5a 0.001 0.226
 FF, pg/mL 209.8 ± 16.0 259.9 ± 24.9 286.1 ± 16.8 304.5 ± 32.1 < 0.001 0.356
At 19 d of the 2rd oestrous cycle
 Serum, ng/mL 646.8 ± 42.4c 847.3 ± 32.2b 1026.8 ± 68.5ab 1141.0 ± 51.9a < 0.001 0.598
 FF, pg/mL 112.7 ± 10.0 124.8 ± 27.8 179.6 ± 35.8 180.1 ± 13.1 0.032 0.724
 Colons, ng/mg 2.84 ± 0.28b 3.05 ± 0.24b 4.58 ± 0.20a 4.11 ± 0.09a < 0.001 0.928
  1. Data are expressed as means ± S.E.; means with different letters a,b denote P < 0.05. DF, dietary fiber; FF, follicular fluid; n = 6