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 7.67
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -8.96 -0.375 3.36
Prot (kg) -5.37 -0.441 2.37
Fertility Sub Index 1.03
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) 1.00 1.117 1.12
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.47
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 17.47

* Based on an €80/tonne carbon price