| Price elasticity of supply of milk, ε
|
1.759 |
[44] |
| Price elasticity of demand of milk, η
|
-0.2198 |
[45] |
| Households in Scotland |
2,419,921 |
[46] |
| Scottish population |
5,347,600 |
[47] |
| Scottish dairy herd size (number of cows) |
175,734 |
[48] |
| National herd prevalence of Johne's disease (%) |
17.50 |
[10] |
| Size of infected herd (number of cows) |
30,753 |
= 0.175* 175,734 |
| Size of uninfected herd (number of cows) |
144,981 |
= (1–0.175)*175,734 |
| Milk yield of an uninfected cow (litres per cow per year) |
7,893 |
[31] |
| Difference in milk yield of an infected cow relative to an uninfected cow (litres per cow per year) |
-192 |
[18] |
| Milk yield of an infected cow (litres per cow per year) |
7,701 |
= 7,893–192 |
| Initial total milk yield of all uninfected cows (litres) |
1,144,335,033 |
= 144,981*7893 |
| Initial total milk yield of all infected cows (litres) |
236.828,853 |
= 30,753*7701 |
| Initial price of milk (pence per litre) |
26.50 |
[38] |
