Publication - Research and analysis
Dairy Farmer-led Group: climate change evidence
A summary of existing evidence around the dairy sector, including greenhouse gas emissions produced by Rural and Environment Science and Analytical Services (RESAS) division.
Annex B - GHG Inventory Assumptions
Estimates of emissions by broad sector have been derived in line with descriptions in the inventory. Not all sources are disaggregated into specific sectors therefore the following sources in the inventory have been attributed based on the following percentages.
| IPCC | Source Name | Crops | Dairy | Deer | Goats | Horses | Beef | Pigs | Sheep |
|---|---|---|---|---|---|---|---|---|---|
| 3H_Urea application | Fertiliser application | 80% | 20% | 10% | |||||
| 1A4cii_Agriculture/Forestry/Fishing:Off-road | Agriculture - mobile machinery | 60% | 30% | 20% | |||||
| 3A4_Enteric_Fermentation_other_livestock | Enteric | 7% | 1% | 67% | 25% | ||||
| 3D11_Inorganic_nitrogen_fertilizers | Grass - Direct | 30% | 60% | 10% | |||||
| 3D14_Crop_residues | Grass - Direct | 30% | 60% | 10% | |||||
| 3G1_Liming - limestone | Liming | 50% | 15% | 30% | 5% | ||||
| 3G2_Liming - dolomite | Liming | 50% | 15% | 30% | 5% |
Michael MacLeod, Ilkka Leinonen and Vera Eory (2018) Biotic material flows in Scottish cattle supply chains SRUC 10/4/18
This results in the following estimates of GHG emissions for agriculture in 2018:
| MtCO2e (2018) | |||
|---|---|---|---|
| Direct from inventory | Attributed based on expert input | % Attributed | |
| Agriculture | |||
| Beef | 2.97 | 0.47 | 16% |
| Crops | 1.02 | 0.59 | 58% |
| Dairy | 0.86 | 0.31 | 36% |
| Sheep | 0.99 | 0.05 | 5% |
| Other livestock | 0.20 | - | - |
| Uncategorised | 0.02 | - | - |
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