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Table 3 Body weight, intake, and digestibility of nutrients of three total mixed rations containing three different sources of non-fiber carbohydrates

From: Effects of different sources of carbohydrates on intake, digestibility, chewing, and performance of Holstein dairy cows

Item Treatments1 SEM P value
B BC BB
BW, kg 600.63 591.84 583.25 11.212 0.140
Intake, kg/d      
DM 21.14b 21.02b 22.32a 0.530 0.004
NDF 7.65b 7.76b 8.57a 0.021 0.001
peNDFm2 5.10b 5.14b 5.74a 0.034 0.025
peNDF > 83 2.63 2.68 2.68 0.231 0.075
peNDF > 1.184 5.07b 5.15b 5.75a 0.023 0.024
CP 3.42 3.34 3.55 0.456 0.133
NFC 8.22 8.18 8.46 0.345 0.309
Starch 4.69a 4.25a 3.24b 0.431 0.002
Sugar 0.66 0.59 0.73 0.084 0.064
NDSC5 2.88c 3.34b 4.49a 0.104 0.001
EE 0.49 0.50 0.54 0.121 0.087
OM 19.79 19.78 20.96 0.961 0.342
Digestibility, %
DM 64.58b 65.01b 66.91a 0.824 0.004
NDF 61.58b 62.38b 68.82a 1.028 0.004
ADF 51.67 52.21 52.33 0.769 0.100
CP 77.33 77.42 76.89 0.571 0.532
NFC 83.36a 80.37b 80.90b 1.424 0.032
EE 62.44b 66.52ab 67.33a 0.277 0.024
OM 64.68 64.61 63.53 1.143 0.200
  1. a, b, cMeans within a row with different subscripts differ (P < 0.05).
  2. 1Treatments were diets containing barley + basal diet (B), barley and corn + basal diet (BC), and barley and beet pulp + basal diet (BB).
  3. 2peNDFm = physically effective NDF based on DM retained on sieve 1.18 mm [13].
  4. 3peNDF>8 = physically effective NDF, determined as the proportion of DM retained on sieves of the original version of Penn State particle separator [10].
  5. 4peNDF>1.18 = physically effective NDF determined as the proportion of DM retained on sieves of the new version of Penn State particle separator [11].
  6. 5NDSC = Neutral detergent soluble carbohydrate.