Table 1 Example of the costs of mastitis calculated for a farm during the period 2007 to 2008
Herd data | Value/unit | |||
|---|---|---|---|---|
A | Herd bulk milk somatic cell count (BMSCC) during the last year | 83,000 cells/ml | N/A | |
B | Economic loss in quality payment in NOK with premium quality as the baseline | 0 | 1 NOK | |
C | Production loss due to high BMSCC in litres | 0 Litres | 2.25 NOK | |
D | Litres of milk discarded due to mastitis therapy | 2,100 Litres | 3.60 NOK | |
E | Number of mastitis cases treated | 12 | 550 NOK | |
F | Number of cows culled due to udder health | 7 | 3500 NOK | |
G | Mean number of cows in the herd | 30.6 | N/A | |
H | Amount of milk in litres delivered during the last year | 193,238 litres | N/A | |
Total loss in NOK, when multiplying B to F with the unit cost | 38,660 NOK | |||
The national mean total udder health loss per litre of delivered milk | 0.13 NOK | |||
The herd's mean total udder health loss per litre of milk produced during the last year | 0.20 NOK | |||