Skip to main content

Advertisement

Table 1 Chemical composition, fermentation characteristics and particle size of silage crops (% of DM) 1

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

  Silage crop2
Item MBB BAB CCS
DM 55.77 ± 13.03 51.60 ± 9.70 29.23 ± 1.13
CP 10.32 ± 0.38 12.64 ± 0.89 9.53 ± 0.46
ADF 42.18 ± 1.19 41.50 ± 0.60 26.55 ± 0.83
NDF 76.56 ± 1.73 71.80 ± 1.76 45.70 ± 1.94
IVTD3 68.12 ± 5.97 71.34 ± 3.54 80.61 ± 2.50
NEL, Mcal/kg 1.23 ± 0.04 1.32 ± 0.06 1.56 ± 0.04
WSC3 2.22 ± 0.96 3.77 ± 1.05 10.26 ± 4.20
pH 5.71 ± 0.55 5.39 ± 0.32 3.76 ± 0.09
Lactate 0.73 ± 0.29 0.58 ± 0.12 3.47 ± 0.59
Acetate 0.24 ± 0.12 0.27 ± 0.05 4.78 ± 1.57
Propionate 0.00 0.00 0.69 ± 0.29
Butyrate 0.00 0.03 ± 0.01 0.05 ± 0.02
Isobutyrate 0.02 ± 0.01 0.00 0.00
Valerate 0.04 ± 0.10 0.03 ± 0.06 0.00
Isovalerate 0.01 ± 0.01 0.00 0.00
Calcium 0.32 ± 0.03 0.57 ± 0.07 0.15 ± 0.05
Phosphorus 0.17 ± 0.01 0.27 ± 0.02 0.87 ± 0.21
Potassium 1.49 ± 0.29 1.88 ± 0.12 0.96 ± 0.23
Magnesium 0.25 ± 0.05 0.23 ± 0.02 0.13 ± 0.01
Copper, ppm 4.00 ± 1.45 3.61 ± 1.66 2.29 ± 2.01
Manganese, ppm 236.1 ± 121.1 147.0 ± 63.0 35.38 ± 8.79
Zinc, ppm 25.71 ± 4.18 22.2 ± 3.65 24.63 ± 1.58
Post-ensiling particle size4   % of total  
< 1.0 cm 24.9 ± 14.4 22.5 ± 12.1 37.5 ± 29.0
1 to 7.4 cm 13.9 ± 3.5 13.2 ± 1.7 13.2 ± 4.4
7.5 to 14.8 cm 17.4 ± 2.0 25.9 ± 1.6 16.7 ± 6.9
14.9 to 22.2 cm 16.2 ± 4.9 22.3 ± 4.8 17.2 ± 10.6
22.3 to 29.6 cm 13. 1 ± 5.3 10.5 ± 4.3 8.6 ± 9.1
> 29.7 cm 14.4 ± 10.5 5.6 ± 5.1 6.8 ± 5.9
  1. 1Determined from forage samples collected each day and composited weekly (n = 7).
  2. 2MBB = monoculture bahiagrass baleage, BAB = bahiagrass-alfalfa baleage and CCS = conventional corn silage.
  3. 3IVTD = in vitro true digestibility; WSC = water soluble carbohydrates.
  4. 4Based on fresh samples collected biweekly and manually measured for particle length.