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 3.13
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.21 -0.375 0.83
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -1.32
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.22 1.117 0.25
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -1.54
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 8.33 -0.432 -3.60
Maintenance Sub Index Maint. Sub Index 7.23
Live WT (kg) -23.60 -0.307 7.23
Total Carbon Sub Index 8.27

* Based on an €80/tonne carbon price