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 3.66
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 0.40
Calving Interval (days) -0.54 -1.459 0.79
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.68
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.11 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 14.52

* Based on an €80/tonne carbon price