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Research, Policy and Practice

Table 2 Comparative key parameters used in base case models for the Karoo biome livestock systems

From: Expected climate change impacts on land and natural resource use in Namibia: exploring economically efficient responses

Parameters Traditional small scale Commercial ranch
Land available (ha) 87,000 87,000
Land used (ha per enterprise) 2,330 52,200
No. livestock (head) 285 10,346
No. large stock units (LSU) 47 871
Stocking rate (ha/LSU) 50 60
‘Economic’ carrying capacity (ha/LSU) 60 60
Lambing/kidding rate (% of ewes) 90 130
Lambing/kidding rate (% of young ewes) 98 130
Mortality rate (% of lambs) 40 28
Mortality rate (% of adults) 7 5
Ram rate (% of flock) 3 3
Stock off-take rate (% of stock numbers) 16 31
Biomass production (% of stock LSU) 14 24