Lamb 2030 supply forecasts: Results

We forecast 2030 figures and % change compared with 2023 actual data (the latest available) for each scenario. Following that are graphs comparing all scenarios, showing actual and forecast trends since 2018.

Baseline scenario

Measure2030 forecastChange versus 2023 data
%No.
Female breeding flock (thousand head) 12,025 -6.8 -873
Clean sheep slaughter (thousand head) 11,576 -1.8 -215
Lamb crop (thousand head) 14,247 -5.0 -752
Adult sheep slaughter (thousand head) 1,430 -11.8 -192
Production (thousand tonnes) 274 -0.6 -2

Source: AHDB

Best-case scenario

Measure2030 forecastChange versus 2023 data
%No.
Female breeding flock (thousand head) 12,844 -0.4 -54
Clean sheep slaughter (thousand head) 12,050 +2.2 +258
Lamb crop (thousand head) 15,051 +0.3 +52
Adult sheep slaughter (thousand head) 1,513 -6.8 -110
Production (thousand tonnes) 286 +3.7 +10

Source: AHDB

Worst-case scenario

Measure2030 forecastChange versus 2023 data
%No.
Female breeding flock (thousand head) 11,597 -10.1 -1,301
Clean sheep slaughter (thousand head) 11,323 -4.0 -469
Lamb crop (thousand head) 13,823 -7.8 -1,176
Adult sheep slaughter (thousand head) 1,387 -14.5 -235
Production (thousand tonnes) 268 -2.9 -8

Source: AHDB

Best-case + scenario

Measure2030 forecastChange versus 2023 data
%No.
Female breeding flock (thousand head) 13,076 +1.4 +177
Clean sheep slaughter (thousand head) 12,667 +7.4 +876
Lamb crop (thousand head) 15,794 +5.3 +795
Adult sheep slaughter (thousand head) 1,536 -5.4 -87
Production (thousand tonnes) 299 +8.5 +23

Source: AHDB

Breeding ewe flock and lamb crop (all scenarios)

Size of the GB breeding ewe flock 2018–2030

f = forecast
Source: Defra, AHDB

Size of GB lamb crop 2018–2030

f = forecast
Source: Defra, AHDB

Clean and adult sheep slaughter (all scenarios)

Clean sheep slaughter numbers 2018–2030

f = forecast
Source: Defra, AHDB

The growth in clean sheep slaughter from 2025 to 2026 is due to the return to the rearing rate of 118%, increasing the lamb crop and numbers available for slaughter as a result. This also applies to the increase in production across this time.

GB adult sheep slaughter numbers 2018–2030

f = forecast
Source: Defra, AHDB

In all scenarios, adult sheep slaughter is calculated based on applying average cull rates to changes in the breeding flock.

Sheep meat production (all scenarios)

GB sheep meat production 2018–2030

f = forecast
Source: Defra, AHDB

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