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 16.05
Milk (kg) -336.00 -0.014 4.70
Fat (kg) -13.75 -0.375 5.15
Prot (kg) -14.03 -0.441 6.19
Fertility Sub Index 3.20
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) -0.71 1.117 -0.79
Calving Sub Index 0.17
Gestation Length (days) -0.18 -0.919 0.17
Beef Sub Index 2.82
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.06 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 25.39

* Based on an €80/tonne carbon price