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 7.04
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index -6.99
Calving Interval (days) 3.22 -1.459 -4.70
Survival (%) -2.05 1.117 -2.29
Calving Sub Index 0.41
Gestation Length (days) -0.45 -0.919 0.41
Beef Sub Index 1.18
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 1.77

* Based on an €80/tonne carbon price