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 0.25
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -0.32 -0.375 0.12
Prot (kg) -0.20 -0.441 0.09
Fertility Sub Index 0.97
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 4.43

* Based on an €80/tonne carbon price