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Table 3 Effects of transport and rumen-protected creatine pyruvate on the rumen fermentation characteristics of beef cattle

From: Effects of rumen-protected creatine pyruvate on blood biochemical parameters and rumen fluid characteristics in transported beef cattle

Item Treatment1 SEM P-value
Transport Nontransport
RP-CrPyr140 RP-CrPyr0 RP-CrPyr140 RP-CrPyr0 Transport RP-CrPyr Transport × RP-CrPyr2
pH 7.02 6.58 6.37 6.65 0.076 0.087 0.619 0.046
MCP (mg/mL) 0.22 0.31 0.23 0.19 0.021 0.188 0.639 0.092
NH3-N (mg/dL) 16.64 20.93 8.18 8.26 0.672 < 0.001 0.143 0.155
TVFA (mmol/L) 72.18 81.28 86.06 86.92 1.997 0.001 0.050 0.060
Acetate (mmol/L) 54.75b 61.98a 66.21a 62.32a 5.374 0.026 0.461 0.033
Propionate (mmol/L) 11.35 11.15 11.67 13.56 1.383 0.070 0.231 0.528
Butyrate (mmol/L) 6.08 8.15 8.81 11.04 1.910 < 0.001 < 0.001 0.819
Acetate/Propionate 4.89 5.61 4.60 5.68 0.201 0.755 0.618 0.029
  1. a,b,c Means within a row with no common superscript differ significantly (P < 0.05)
  2. 1 A 2 × 2 factorial arrangement with 2 supplemental levels of rumen-protected creatine pyruvate (RP-CrPyr) in basal diets (0 or 140 g/d for each cattle) and 2 transport treatment (transport 0 or 12 h before slaughter)
  3. 2 Transport × RP-CrPyr, the interaction between Transport and RP-CrPyr
  4. SEM Stand error of mean, MCP Microbial crude protein, NH3-N Ammonia nitrogen, TVFA Total volatile fatty acids