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 8.48
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -8.12 -0.375 3.04
Prot (kg) -8.39 -0.441 3.70
Fertility Sub Index 0.33
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.59
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 0.75 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 8.14

* Based on an €80/tonne carbon price