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 10.32
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -12.79 -0.375 4.79
Prot (kg) -8.95 -0.441 3.95
Fertility Sub Index -1.09
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) 0.00 1.117 0.00
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.25
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 3.99 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 9.35

* Based on an €80/tonne carbon price