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 7.12
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.41 -0.375 2.03
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index -0.17
Calving Interval (days) -0.16 -1.459 0.23
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 1.75
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 12.31

* Based on an €80/tonne carbon price