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 8.11
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -9.74 -0.375 3.65
Prot (kg) -5.98 -0.441 2.64
Fertility Sub Index -0.14
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.20 1.117 0.22
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.42
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 20.29

* Based on an €80/tonne carbon price