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 8.67
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -7.99 -0.375 2.99
Prot (kg) -7.51 -0.441 3.31
Fertility Sub Index 1.23
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.51 1.117 0.57
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.22
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.60 -0.432 0.69
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 20.29

* Based on an €80/tonne carbon price