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Table 1 Ingredients and chemical composition 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
Ingredients, % of DM2   
Alfalfa hay 23.41 23.69 23.57   
Wheat straw 15.53 15.84 15.8   
Barley grain 34.91 18.87 18.86   
Corn grain 15.89   
Beet pulp 15.89   
Cotton seed meal 11.19 8.88 8.90   
Soybean meal 3.01 2.99 3.01   
Wheat bran 8.01 9.68 9.69   
Sunflower meal 2.69 2.99 3.01   
Calcium carbonate 0.43 0.4 0.5   
Calcium phosphate 0.25 0.20 0.20   
Salt 0.10 0.10 0.10   
Vitamin supplement3 0.25 0.25 0.25   
Urea 0.22 0.22 0.22   
Chemical compositions, % of DM   
CP 16.2 15.9 15.9 0.232 0.321
NDF 36.2 36.9 37.7 0.864 0.079
ADF 23.1 22.6 24.6 0.541 0.092
NFC 38.9 38.9 37.9 0.682 0.061
Starch 22.2a 20.2a 14.5b 0.792 0.001
Sugar 3.1 2.8 3.3 0.432 0.213
NDSC4 13.6c 15.9b 20.1a 0.232 0.001
EE 2.3 2.4 2.4 0.219 0.212
Ash 6.4 5.9 6.1 0.672 0.431
NEl5, Mcal/kg of DM 1.58 1.59 1.58 0.232 0.452
  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. 2Alfalfa, wheat straw, barley grain, corn, beet pulp, cotton seed meal, soy bean meal, wheat bran, and sun flower meal (DM basis) were chemically composed of 89.1%, 50.9%, 18.7%, and 15.3%; 91.2, 75.2, 10.4, and 3.4; 93.2, 22.1, 55.4, and 10.5; 96.7, 11.0, 78.3, and 8.5; 93.4, 44.4, 41.0, and 9.0; 90.7, 45.2, 16.3, and 27.3; 90.3, 17.8, 24.7, and 42.5; 90.3, 52.3, 24.4, and 16.5; and 92.0, 55.7, 17.3, and 16.1 for OM, NDF, NFC, and CP, respectively.
  4. 3Contained 40% NaCl, 25% Dyna mate, 10% K, 7% Mg, 12% S, 1,000 mg Fe/kg, 2% ZnSO4.H2O, 2% MnSO4.4H2O, 0.01% CoSO4.6H2O, 0.009% Na2SeO3, 0.012% ethylenediamine dihydroiodide, 0.8% CuSO4.5H2O, 680,000 IU/kg of Vitamin A, 160,000 IU/kg of Vitamin D, and 2,000 IU/kg of Vitamin E.
  5. 4NDSC = Neutral detergent soluble carbohydrate.
  6. 5NEl was calculated based on NRC [4].