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 4.25
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index 2.06
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.39
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -0.66 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 17.02

* Based on an €80/tonne carbon price