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 0.62
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -1.21 -0.375 0.45
Prot (kg) 0.23 -0.441 -0.10
Fertility Sub Index 0.75
Calving Interval (days) -0.05 -1.459 0.07
Survival (%) 0.61 1.117 0.68
Calving Sub Index -1.40
Gestation Length (days) 1.52 -0.919 -1.40
Beef Sub Index -2.41
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 8.02 -0.432 -3.46
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 3.67

* Based on an €80/tonne carbon price