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Table 1 Ingredients and chemical composition of diets offered to animals and used in RUSITEC experiment (dry matter basis)

From: Rumen-protected methionine a feed supplement to low dietary protein: effects on microbial population, gases production and fermentation characteristics

Items Treatments SEM P-value
HP LP LPLMet LPHMet
Ingredients, g/kg dry matter
 Corn silage 182.40 193.60 193.60 193.50   
 Alfalfa hay 101.60 39.20 39.20 39.20   
 Wheat straw 153.00 213.80 213.70 213.60   
 Ground corn 162.30 216.50 216.50 216.40   
 Wheat bran 77.80 46.80 46.80 46.70   
 Soybean meal 70.30 100.50 100.50 100.40   
 Cottonseed meal 96.20 38.20 38.20 38.20   
 Corn germ meal 115.50 105.60 105.60 105.60   
 Limestone 10.50 8.80 8.80 8.80   
 Di calcium phosphate 0.00 4.80 4.80 4.80   
 Sodium chloride 10.50 12.00 12.00 12.00   
 Sodium bicarbonate 1.90 2.00 2.00 2.00   
 Premix* 18.00 18.10 18.10 18.00   
 RPMet 0.00 0.00 0.11 0.81   
Chemical composition
 Dry matter (g/kg DM) 902.50 890.25 892.00 893.75 5.40 0.89
 Crude protein (g/kg DM) 163.39a 146.33b 141.80b 143.30b 3.38 0.01
 Neutral detergent fiber (g/kg DM) 471.16 471.72 471.21 470.38 1.28 0.99
 Acid detergent fiber (g/kg DM) 212.12 210.87 205.37 212.27 2.04 0.70
 Ether extract (g/kg DM) 28.50 28.00 28.02 28.11 0.52 1.00
 Gross energy (MJ/kg DM) 16.28 16.13 16.13 16.50 0.14 0.85
  1. SEM, standard error of the mean
  2. a,bSuperscripts values within the same row, are significantly different at (P < 0.05)
  3. * Premix (per kilogram of total-mixed ration, DM basis contains): 10.5 mg Cu, 9.80 mg Zn, 12.00 mg Mn, 0.11 mg. Co, 0.32 mg I, 0.15 mg Se, 2500 IU vitamin A, 500 IU vitamin D3, and 40 IU vitamin E