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 4.23
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 0.36
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) 0.30 1.117 0.34
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.48
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.49 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 13.85

* Based on an €80/tonne carbon price