Table 8 Impacts of livestock diseases at varying prevalence on GHGe from intensive dairy production at the population (50,000 head) and herd level
Performance parameter | Baseline | High | Low | 200-cow herd |
|---|---|---|---|---|
Foot and mouth disease | ||||
 Disease prevalence in population (%) | 0 | 45 | 5 | 100 |
 Total annual milk production (metric tonnes FPCM1) | 101,699 | 91,041 | 100,515 | 690 |
 Change compared to baseline population (%) | - | -10.5 | -1.16 | -76.7 |
 Total annual calves destined for beef production (head) | 12,867 | 10,549 | 12,610 | 66.7 |
 Change compared to baseline population (%) | - | -18.0 | -2.00 | -33.4 |
 GHGe per kg FPCM1 (CO2eq) | 1.50 | 1.65 | 1.52 | 1.83 |
 Change compared to baseline population (%) | - | 10.0 | 1.11 | 22.2 |
 Total annual cattle population GHGe (metric tonnes CO2eq) | 152,549 | 150,200 | 152,446 | 1265 |
 Change in annual cattle population GHGe if milk production maintained (tonnes CO2eq) | - | 17,585 | 1796 | 384 |
Brucellosis | ||||
 Disease prevalence in population (%) | 0 | 50 | 10 | 40 |
 Total annual milk production (metric tonnes FPCM) | 101,699 | 94,000 | 100,160 | 846 |
 Change compared to baseline population (%) | - | -7.57 | -1.51 | -6.00 |
 Total annual calves destined for beef production (head) | 12,867 | 9751 | 12,244 | 91.8 |
 Change compared to baseline population (%) | - | -24.2 | -4.84 | -8.28 |
 GHGe per kg FPCM1 (CO2eq) | 1.50 | 1.59 | 1.52 | 1.57 |
 Change compared to baseline population (%) | - | 5.71 | 1.14 | 4.56 |
 Total annual cattle population GHGe (metric tonnes CO2eeq) | 152,549 | 149,045 | 151,954 | 1327 |
 Change in annual cattle population GHGe if milk production maintained (tonnes CO2eq) | - | 12,208 | 2336 | 84.7 |
Anthrax | ||||
 Disease prevalence in population (%) | 0 | 3 | 0.3 | 15 |
 Total annual milk production (metric tonnes FPCMa) | 101,699 | 100,479 | 101,577 | 846 |
 Change compared to baseline population (%) | - | -1.20 | -0.12 | -6.00 |
 Total annual calves destined for beef production (head) | 12,867 | 12,481 | 12,829 | 66.8 |
 Change compared to baseline population (%) | - | -3.00 | -0.30 | -33.3 |
 GHGe per kg FPCM1 (CO2eq) | 1.50 | 1.52 | 1.50 | 1.59 |
 Change compared to baseline population (%) | - | 1.16 | 0.12 | 5.87 |
 Total annual cattle population GHGe (metric tonnes CO2eq) | 152,549 | 152,469 | 152,543 | 1343 |
 Change in annual cattle population GHGe if milk production maintained (tonnes CO2eq) | - | 1852 | 183 | 85.7 |