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 8.16
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -8.98 -0.375 3.36
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index -2.10
Calving Interval (days) 0.90 -1.459 -1.31
Survival (%) -0.70 1.117 -0.78
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.68
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.83 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 7.86

* Based on an €80/tonne carbon price