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Research, Policy and Practice

Table 1 Comparative key parameters used in base case models for the Woodland and Savanna biome livestock systems

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

Parameters Traditional small scale Cattle post Commercial ranch
Land used (ha) 180 6,400 10,000
Number of cattle (head) 35 760 1050
Number of goats (head) 3 59 100
‘Economic’ carrying capacity (ha/LSU) 13 13 13
Stocking rate (ha/LSU) 6.5 8.3 12.9
Calving rate (% cows) 60 63 65
Calving rate (% heifers) 60 63 65
Mortality rate (% calves) 18 9 5
Mortality rate (% others) 11 5 3
Bull rate (% herd) 5 5 5
Goat reproductive rate (%) 20 25 30
Average total herd growth rate (%) 0.7 8 4.6
Cattle off-take rate (% herd) 9 12 18
Goat off-take rate (% flock) 20 25 30
Milk yield (litres/lactating cow/annum) 158 n/a n/a
Transport/draft (days/span of four/annum) 55 n/a n/a
  1. LSU = Large stock unit.