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 2.41
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 2.01
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.95
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.09 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 16.22

* Based on an €80/tonne carbon price