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Table 2 Ingredient and chemical composition of experimental diets (% of DM) 1

From: Evaluation of alfalfa inter-seeding effect on bahiagrass baleage fermentation and lactating Holstein performance

  Diets2
Item MBB BAB CCS
Ingredient composition    
Corn, grd 21.93 23.92 21.93
Soybean meal, 55% 17.74 15.73 17.75
Cottonseed 8.34 8.34 8.34
Mineral mix3 1.74 1.74 1.74
Sodium bicarbonate 0.89 0.89 0.89
Rumen inert fat4 0.85 0.85 0.85
SC5 0.63 0.63 0.63
Calcium carbonate 0.43 0.43 0.43
Forage 47.45 47.47 47.44
Chemical composition    
CP 16.38 ± 1.65 16.10 ± 0.93 17.07 ± 1.08
ADF 27.02 ± 1.65 26.90 ± 1.79 19.25 ± 2.62
NDF 50.30 ± 2.82 47.61 ± 3.21 32.11 ± 2.23
NEL, Mcal/kg 1.41 ± 0.08 1.47 ± 0.10 1.62 ± 0.11
IVTD6 74.90 ± 2.16 74.30 ± 6.35 87.38 ± 3.57
Calcium 0.62 ± 0.08 0.67 ± 0.07 0.69 ± 0.13
Phosphorus 0.34 ± 0.03 0.36 ± 0.02 0.45 ± 0.02
Potassium 1.77 ± 0.18 1.77 ± 0.23 1.35 ± 0.16
Magnesium 0.30 ± 0.04 0.29 ± 0.03 0.29 ± 0.02
Copper, ppm 16.40 ± 3.75 14.29 ± 2.82 17.54 ± 5.51
Manganese, ppm 222.4 ± 89.9 145.9 ± 40.2 87.4 ± 28.8
Zinc, ppm 89.0 ± 11.3 82.3 ± 12.8 100.3 ± 6.6
  1. 1Chemical composition of total mixed rations determined from samples collected daily and composited weekly (n = 7).
  2. 2MBB = mono culture bahiagrass baleage-based diet, BAB = bahiagrass-alfalfa baleage-based diet and CCS = conventional corn silage-based diet.
  3. 3Mineral and vitamin mix containing 23% Ca, 3% P, 7% Mg, 6% K, 3.0% S, 15 mg Co/kg, 650 mg Cu/kg, 50 mg I/kg, 1200 mg Mn/kg, 2700 mg Zn/kg, 18 mg Se/kg, 300,000 IU Vitamin A/kg, 30,000 IU Vitamin D/kg, and 1,500 IU Vitamin E/kg.
  4. 4MegaLac rumen inert fat manufactured by Church and Dwight, Inc., Princeton, NJ.
  5. 5Saccharomyces cerevisiae yeast product sold by Diamond V Mills, Inc. Cedar Rapids, IA.
  6. 6IVTD = in vitro true digestibility.