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 6.48
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -5.74 -0.441 2.53
Fertility Sub Index -5.36
Calving Interval (days) 2.66 -1.459 -3.88
Survival (%) -1.32 1.117 -1.47
Calving Sub Index -0.68
Gestation Length (days) 0.74 -0.919 -0.68
Beef Sub Index 0.42
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 3.03

* Based on an €80/tonne carbon price