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 3.50
Milk (kg) -63.00 -0.014 0.88
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -3.22 -0.441 1.42
Fertility Sub Index 0.50
Calving Interval (days) -0.39 -1.459 0.57
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.47
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 13.36

* Based on an €80/tonne carbon price