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 9.96
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -8.85 -0.375 3.31
Prot (kg) -9.07 -0.441 4.00
Fertility Sub Index 2.21
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.83 1.117 0.93
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.25
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 20.44

* Based on an €80/tonne carbon price