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 3.21
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.21 -0.375 0.45
Prot (kg) -2.82 -0.441 1.24
Fertility Sub Index 1.50
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.60 1.117 0.67
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.00
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.57 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 15.34

* Based on an €80/tonne carbon price