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 4.32
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -2.03 -0.375 0.76
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 0.47
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 0.46
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 8.06

* Based on an €80/tonne carbon price