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Table 1 Effects of high-concentrate diet feeding and thiamine supplementation on average dry matter intake (DMI), milk production, ruminal pH, ruminal thiamine content and ruminal VFAs content

From: Metagenome sequencing to analyze the impacts of thiamine supplementation on ruminal fungi in dairy cows fed high-concentrate diets

Item Experimental treatments SEM P-value
CON HC HCT
Average daily DMI (kg/day) 21.68a 19.07c 20.78b 0.278 0.014
Average daily milk production (kg/day) 27.28a 22.12c 23.28b 1.894 0.001
Ruminal pH 6.45a 5.58c 6.12b 0.194 0.016
Ruminal Thiamine (µg/L) 16.16a 9.51c 13.53b 1.933 < 0.001
Acetate (mmol/L) 43.237a 42.619b 44.076a 1.273 0.038
Propionate (mmol/L) 12.899b 13.849a 11.846c 0.632 0.027
Butyrate (mmol/L) 10.770 10.354 10.819 0.137 0.356
Isovalerate (mmol/L) 1.403b 1.670a 1.366b 0.059 0.042
Valerate (mmol/L) 1.212 1.491 1.332 0.059 0.143
Isobutyrate (mmol/L) 0.802 1.001 1.047 0.083 0.504
TVFA (mmol/L) 70.323 70.983 70.487 1.836 0.156
  1. SEM, standard error of the mean; CON, control diet; HC, high-concentrate diet; HCT, high-concentrate diet supplemented with thiamine, TVFA, total volatile fatty acid
  2. a,b,cMeans within a row with different letters differ significantly (P < 0.05)