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 9.68
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -10.09 -0.375 3.78
Prot (kg) -8.92 -0.441 3.94
Fertility Sub Index 1.31
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.69 1.117 0.77
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.35
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 1.40 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 20.75

* Based on an €80/tonne carbon price