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 6.00
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -6.41 -0.441 2.83
Fertility Sub Index -8.42
Calving Interval (days) 4.40 -1.459 -6.42
Survival (%) -1.79 1.117 -2.00
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -1.05
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index -2.72

* Based on an €80/tonne carbon price