Table 2.
Model parameters set to represent BVD in Irish dairy herds
| Parameter | Setting | Comment |
|---|---|---|
| Prevalence of PI in purchased animals |
0.0075 |
Supplied by AHI (Table 1) |
| Probability of biosecurity breakdown to BVD in any one year |
0.133 |
Based on Graham et al.[20]. |
| Milk price (€/litre) |
0.294 |
CSO Ireland. Average 3.7% BF milk price for 2010. |
|
http://www.cso.ie/px/pxeirestat/Statire/SelectVarVal/Define.asp?maintable=AJM06 |
|
|
| Replacement heifer cost (€) |
1,070 |
[12]. |
| Value of cull cow (€) |
799 |
[12]. |
| Veterinary & Medicine charges (€/cow/year) | 64 | Estimate supplied by AHI |