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 10.00
Milk (kg) -190.00 -0.014 2.66
Fat (kg) -9.04 -0.375 3.39
Prot (kg) -8.96 -0.441 3.95
Fertility Sub Index 1.18
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.27 1.117 0.30
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.28
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 19.17

* Based on an €80/tonne carbon price