open-climate.aiFactors

Emission factor from SLU v1.4.3

Sole, bone-free edible weight

World · Cradle to farm gate · Any year

Each kg reference mass of this food counts as 20.3 kg CO₂e before it leaves the farm. SLU gives one figure, for use anywhere and in any year.

Value, cradle to farm gate

20.3kgCO₂e/kg reference mass

Net total: fossil, biogenic and land use · GWP100 · AR6

FossilBio CH₄Land useBio CO₂full carbon balance

One value, for any year

SLU sets no date window, so there is no year to pick.

Reference year 2021

Region
World GLOBAL
Boundary
Cradle to farm gate
Data quality
LowRated by us, not by the source
Licence
Open · SLU terms

Where 20.3 comes from

Published as one number

SLU prints this factor as a single figure, with no parts to add up.

Reporting this kilogram under the GHG Protocol

3.1 Goods we buy 20.3

Goods and services you buy are Scope 3, category 1, purchased goods and services.

CiteAPI

The factor, standardised

Every factor on open-climate.ai answers the same questions in the same words, whatever the publisher. Open any ⓘ for the definition.

Food and agriculture › Animal products · World · per kg reference mass · Generic

Cradle to farm gate · Net total · AR6

Boundary
Cradle to farm gate
Raw materials, fuel combustion, purchased energy and capital goods
GWP method
IPCC AR6, 100-year horizon
As printed by SLU
CO₂e basis
Net totalFossilBio CH₄Land useBio CO₂full carbon balance
All of it is CO₂
Life cycle
Upstream: coveredProduction: partly coveredDownstream: not coveredEnd of life: not covered

Low quality · Open licence · Any year

What this number covers

What SLU counts in the figure for 1 kg reference mass, phase by phase.

  1. Upstream

    • Raw materials
    Included

  2. Production

    • Fuel combustion
    • Purchased electricity and heat
    Partly included

  3. Also counted

    • Capital goods
    Included

  4. Your record

    1 kg reference mass in your records. The factor is per kg reference mass.

    = 20.3

Outside this boundary

  • Manufacturing
  • Packaging
  • Outbound transport
  • Retail
  • Use phase
  • Throwing away packaging and leftovers

SLU does not count any of this in the figure for 1 kg reference mass.

Gases

All of it is fossil CO₂: 20.3. No methane, no nitrous oxide.

From SLU's record to a comparable factor

SLU publishes this factor as one record. Here is each field as printed and what open-climate.ai made of it.

About this factor

Filed by SLU under

Blue food

SLU publishes no description for this food.

Source and licence

Publisher
Swedish University of Agricultural Sciences (SLU), Department of Energy and Technology
Library
SLU v1.4.3
Record
A.07.01.022|RoW
Published
3 September 2026
Open the record at SLU
SLU's terms of use Open

The values and their metadata are served in full and may be reused with credit to the publisher.

All model code is provided under the MIT license (https://github.com/SLU-foodsystems/safad).
Credit it with this lineSAFAD v1.4.3, Department of Energy and Technology, Swedish University of Agricultural Sciences (SLU); Röös et al. 2025, J. Cleaner Production 519, 146002
A plain reading of the licence, not legal advice. The licence text prevails.

Cite this factor

SAFAD v1.4.3, Department of Energy and Technology, Swedish University of Agricultural Sciences (SLU); Röös et al. 2025, J. Cleaner Production 519, 146002. Normalised by open-climate.ai, https://open-climate.ai/factors/libraries/slu/ (CC BY 4.0). https://open-climate.ai/factors/ef-slu-sole_sole-global-kg_reference_mass-cradle_to_farm_gate-e16cbe41/?v=efv1-d177f4f53443a46ea65fe0527fb21069

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