Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 21.28
Milk (kg) -445.00 -0.014 6.23
Fat (kg) -18.83 -0.375 7.05
Prot (kg) -18.12 -0.441 8.00
Fertility Sub Index 2.27
Calving Interval (days) -1.79 -1.459 2.61
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.73
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 26.74

* Based on an €80/tonne carbon price