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 1.86
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -0.92 -0.375 0.34
Prot (kg) -1.65 -0.441 0.73
Fertility Sub Index 0.24
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) 0.15 1.117 0.17
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.05
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.68 -0.432 -1.59
Maintenance Sub Index Maint. Sub Index 6.59
Live WT (kg) -21.50 -0.307 6.59
Total Carbon Sub Index 12.43

* Based on an €80/tonne carbon price