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 5.51
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -5.03 -0.375 1.88
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 1.37
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index -0.25
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 9.67

* Based on an €80/tonne carbon price