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 2.53
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index 2.34
Calving Interval (days) -1.36 -1.459 1.98
Survival (%) 0.32 1.117 0.36
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.15
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 7.20

* Based on an €80/tonne carbon price