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 4.96
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.37 -0.375 1.64
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 2.18
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.12
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.00 -0.432 0.43
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 19.11

* Based on an €80/tonne carbon price