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 2.32
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.91 -0.375 0.34
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index -0.88
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.30
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 8.26

* Based on an €80/tonne carbon price