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 10.70
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -14.60 -0.375 5.47
Prot (kg) -6.15 -0.441 2.71
Fertility Sub Index 1.66
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.34
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.17 -0.432 0.07
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 22.37

* Based on an €80/tonne carbon price