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Table 3 The Eh (mV), pH and volatile fatty acid (VFA, mmol/L) values in the different large intestines of finishing pigs

From: Diversity and community of methanogens in the large intestine of finishing pigs

Items Caecum Ascending colon Transverse colon Descending colon Rectum
Eh −379.47 ± 5.09a −379.33 ± 3.63a − 375.03 ± 4.19a − 363.10 ± 6.52ab − 355.50 ± 7.01b
pH 6.15 ± 0.08 6.11 ± 0.07 6.09 ± 0.07 6.10 ± 0.05 6.13 ± 0.06
Acetate 33.13 ± 1.65ab 33.50 ± 1.87a 29.43 ± 1.96ab 29.24 ± 1.69ab 27.82 ± 1.74b
Propionate 12.78 ± 0.99a 11.75 ± 0.91b 11.22 ± 1.00 b 10.24 ± 1.01b 10.04 ± 0.98b
Butyrate 5.60 ± 0.74 7.26 ± 1.09 6.44 ± 0.90 5.19 ± 0.85 5.87 ± 0.73
A/P (Acetate to Propionate) 2.79 ± 0.12 3.19 ± 0.20 3.18 ± 0.38 3.49 ± 0.30 3.40 ± 0.34
Total VFAs 51.48 ± 3.03 52.41 ± 3.45 46.98 ± 3.41 44.57 ± 3.25 43.62 ± 3.01
  1. Different letters in the same column indicate significant differences (P < 0.05)