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 16.06
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -20.42 -0.375 7.65
Prot (kg) -17.99 -0.441 7.94
Fertility Sub Index -3.89
Calving Interval (days) 2.03 -1.459 -2.96
Survival (%) -0.83 1.117 -0.93
Calving Sub Index -1.36
Gestation Length (days) 1.48 -0.919 -1.36
Beef Sub Index 0.39
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 13.53

* Based on an €80/tonne carbon price