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 1.38
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -1.18 -0.441 0.52
Fertility Sub Index 2.44
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 0.36 1.117 0.40
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.89
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 2.91 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price