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 4.15
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 1.86
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.33
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 16.96

* Based on an €80/tonne carbon price