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 5.18
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -7.57 -0.375 2.84
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index 0.21
Calving Interval (days) 0.79 -1.459 -1.15
Survival (%) 1.22 1.117 1.36
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -2.30
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 6.54 -0.432 -2.82
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 6.31

* Based on an €80/tonne carbon price