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 4.13
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -3.12 -0.375 1.17
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 2.13
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.93
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.81 -0.432 0.35
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 17.35

* Based on an €80/tonne carbon price