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Table 1 Descriptive statistics of the data used to estimate gross energy intake of growing-finishing Hanwoo steers based on the IPCC Tier 2 method

From: Comparison of models for estimating methane emission factor for enteric fermentation of growing-finishing Hanwoo steers

  Mean SD Coefficient of variation (%)
Body weight (kg)
 Growing period 261.6 35.3 13.5
 Finishing period 519.3 118.7 22.9
Average daily gain (g/day)
 Growing period 766.8 163.1 21.3
 Finishing period 845.9 112.9 13.4
Net energy requirement for maintenance (NEm, MJ/day)
 Growing period 20.2 2.2 10.9
 Finishing period 34.2 6.1 17.8
Net energy requirement for growth (NEg, MJ/day)
 Growing period 10.1 2.4 23.4
 Finishing period 19.2 4.8 25.0
Ratio of net energy available for maintenance (REM)
 Growing period 0.524 0.001 0.163
 Finishing period 0.530 0.004 0.813
Ratio of net energy available for growth (REG)
 Growing period 0.325 0.001 0.421
 Finishing period 0.334 0.007 2.081
Digestible energy content (as a percentage of growth energy; DE%)a
 Growing period 68.4 0.3 0.4
 Finishing period 70.5 1.7 2.3
  1. The basal information of monthly animal body weight, average daily gain and diet information were obtained from Kim et al. (2005)
  2. aDigestible energy as a percentage of gross energy content in a diet