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 4.00
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 0.70
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 0.08
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 7.57

* Based on an €80/tonne carbon price