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 6.47
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -5.54 -0.375 2.08
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index -0.23
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) 0.15 1.117 0.17
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.07
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.91 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 7.92

* Based on an €80/tonne carbon price