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 7.82
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -8.73 -0.375 3.27
Prot (kg) -6.02 -0.441 2.66
Fertility Sub Index 0.68
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.46
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 18.24

* Based on an €80/tonne carbon price