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 3.47
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index -2.70
Calving Interval (days) 1.32 -1.459 -1.93
Survival (%) -0.69 1.117 -0.77
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.41
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 12.06

* Based on an €80/tonne carbon price