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Table 4 Effects of BPS on the hindgut fermentation parameters of Holstein heifers (n = 4)

From: Effect of Broussonetia papyrifera silage on the serum indicators, hindgut parameters and fecal bacterial community of Holstein heifers

Item1 Diets treatment2 SEM3 P-value
T0 T25 T50 T75 Linear Quadratic Cubic
pH 6.79a 7.18b 7.02ab 7.05bc 0.10 0.174 0.091 0.146
AA (mmol/L) 12.26 11.48 11.34 11.00 1.24 0.470 0.858 0.887
PA (mmol/L) 2.51 2.17 2.28 2.17 0.26 0.432 0.655 0.584
IVA (mmol/L) 0.34 0.35 0.39 0.37 0.03 0.304 0.566 0.481
BA (mmol/L) 1.14 0.87 0.79 0.98 0.16 0.428 0.173 0.906
IVA (mmol/L) 0.28 0.29 0.32 0.31 0.02 0.212 0.711 0.731
VA (mmol/L) 0.20 0.18 0.18 0.21 0.03 0.830 0.286 0.948
NH3-N (mg/dL) 5.52abc 4.47a 5.40b 5.98bc 0.45 0.250 0.093 0.291
  1. 1AA, acetic acid; PA, propionic acid; IBA, isobutyric acid; BA, butyric acid; IVA, isovaleric acid; VA, valeric acid; NH3-N, ammoniacal nitrogen
  2. 2T0, BPS replaces 0% of WCS; T25, BPS replaces 25% of WCS; T50, BPS replaces 50% of WCS; T75, BPS replaces 75% of WCS. BPS, Broussonetia papyrifera silage; WCS, whole corn silage. Different letters mean significant difference
  3. 3SEM, standard error of mean