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 1.30
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -1.43 -0.375 0.54
Prot (kg) -1.26 -0.441 0.56
Fertility Sub Index 1.00
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.23
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 4.30

* Based on an €80/tonne carbon price