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 4.16
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 2.85
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 3.18
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -0.15 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 15.56

* Based on an €80/tonne carbon price