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IPCC 2019 Ym values (Table 10.12).

Source: R/livestock_coefs.R
ipcc_2019_ym.Rd

Methane conversion rate (% GE) by species and feed situation. The 2019 Refinement differentiates:

  • Cattle feedlot (>90% concentrate): 3.0%.

  • Sheep >= 75 kg body weight: 6.7%.

  • Sheep < 75 kg body weight: 4.7%.

Usage

ipcc_2019_ym

Format

A tibble with category, feed_situation, ym_percent.

Source

IPCC 2019 Refinement, Vol 4, Ch 10, Table 10.12.

Examples

ipcc_2019_ym
#> # A tibble: 9 × 4
#>   category feed_situation       ym_percent ym_uncertainty
#>   <chr>    <chr>                     <dbl>          <dbl>
#> 1 Cattle   Pasture/Range               6.5              1
#> 2 Cattle   Mixed                       6.5              1
#> 3 Cattle   Feedlot (>90% conc.)        3                1
#> 4 Buffalo  Pasture/Range               6.5              1
#> 5 Buffalo  Mixed                       6.5              1
#> 6 Sheep    Large body (>=75kg)         6.7              1
#> 7 Sheep    Small body (<75kg)          4.7              1
#> 8 Goats    All                         5.5              1
#> 9 Camels   All                         5                1