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 6.75
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index 1.21
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) -1.20 1.117 -1.34
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index -1.32
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 10.06

* Based on an €80/tonne carbon price