Variables used in the partial budget model for solid concrete floor with soft rubber covering
| Variables | Data | Source | Type | Distribution |
|---|---|---|---|---|
| Investment cost of soft rubber floor1 | €28,105/herd/year | Survey data (2021) | Stochastic | Triangular [680, 8105, 10,958]3 |
| Average milk yield SH | 11,568 kg/ECM | Survey data (2021) | Deterministic | – |
| Average milk yield SR | 10,406 kg/ECM | Survey data (2021) | Deterministic | – |
| Increase in milk yield SR | 910 kg/ECM/cow | Survey data (2021) | Stochastic | Triangular [750, 910, 950 ] |
| Increase in milk yield SH | 815 kg/ECM/cow | Survey data (2021) | Stochastic | Triangular [700, 815, 900 ] |
| Culling due to fertility problems SR | 4 cows/herd/year | Survey data (2021) | Stochastic | Triangular [3, 4, 5 ] |
| Culling due to fertility problems SH | 5 cows/herd/year | Survey data (2021) | Stochastic | Triangular [4, 5, 6 ] |
| Culling due to claw and leg disorder SR | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Culling due to claw and leg disorder SH | 2 cows/herd/year | Survey data (2021) | Stochastic | Triangular [1, 2, 3 ] |
| Mortality rate SR | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Mortality rate SH | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Mortality cost | €671/cow | Oskarsson (2010) | Stochastic | Triangular [604, 671, 738] |
| Fertility disorder cost | €31/month | Oskarsson (2010) | Stochastic | Triangular [27, 31, 46 ] |
| Claw and leg disease cost | €252/case | Oskarsson (2010) | Stochastic | Triangular [226, 252, 277] |
| Price of milk | €0.36/kg | Agriwise (2020) | Stochastic | Triangular [0.24, 0.36, 0.39] |
| Average annual return | €0.19/kg/milk | Agriwise (2020) | Stochastic | Triangular [0.15, 0.19, 0.22] |
| Variables | Data | Source | Type | Distribution |
|---|---|---|---|---|
| Investment cost of soft rubber floor1 | €28,105/herd/year | Survey data (2021) | Stochastic | Triangular [680, 8105, 10,958]3 |
| Average milk yield SH | 11,568 kg/ECM | Survey data (2021) | Deterministic | – |
| Average milk yield SR | 10,406 kg/ECM | Survey data (2021) | Deterministic | – |
| Increase in milk yield SR | 910 kg/ECM/cow | Survey data (2021) | Stochastic | Triangular [750, 910, 950 ] |
| Increase in milk yield SH | 815 kg/ECM/cow | Survey data (2021) | Stochastic | Triangular [700, 815, 900 ] |
| Culling due to fertility problems SR | 4 cows/herd/year | Survey data (2021) | Stochastic | Triangular [3, 4, 5 ] |
| Culling due to fertility problems SH | 5 cows/herd/year | Survey data (2021) | Stochastic | Triangular [4, 5, 6 ] |
| Culling due to claw and leg disorder SR | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Culling due to claw and leg disorder SH | 2 cows/herd/year | Survey data (2021) | Stochastic | Triangular [1, 2, 3 ] |
| Mortality rate SR | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Mortality rate SH | 3 cows/herd/year | Survey data (2021) | Stochastic | Triangular [2, 3, 4 ] |
| Mortality cost | €671/cow | Stochastic | Triangular [604, 671, 738] | |
| Fertility disorder cost | €31/month | Stochastic | Triangular [27, 31, 46 ] | |
| Claw and leg disease cost | €252/case | Stochastic | Triangular [226, 252, 277] | |
| Price of milk | €0.36/kg | Stochastic | Triangular [0.24, 0.36, 0.39] | |
| Average annual return | €0.19/kg/milk | Stochastic | Triangular [0.15, 0.19, 0.22] |
Note(s): 1 Annuity of 5% discount and 10 years maintenance was used
2 Exchange rates: 2021(€1: SEK10.13), 2020(€1: SEK10.29), 2010(€1: SEK9.54)
3 Values in parenthesis are [lower bound, average, upper bound] values
Source(s): Authors work
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