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 12.71
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -12.66 -0.375 4.74
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index 0.50
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.88
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 21.34

* Based on an €80/tonne carbon price