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 13.03
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -13.65 -0.375 5.11
Prot (kg) -12.24 -0.441 5.40
Fertility Sub Index 2.60
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.35
Gestation Length (days) 0.38 -0.919 -0.35
Beef Sub Index 2.73
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 0.15 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 22.26

* Based on an €80/tonne carbon price