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 2.95
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 1.48
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.49 1.117 0.55
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.08
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -2.75 -0.432 1.19
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 15.46

* Based on an €80/tonne carbon price