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 5.22
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -7.64 -0.375 2.86
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index -0.16
Calving Interval (days) 0.56 -1.459 -0.82
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 1.07
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -2.60 -0.432 1.12
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 8.15

* Based on an €80/tonne carbon price