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 5.35
Milk (kg) -134.00 -0.014 1.88
Fat (kg) -3.61 -0.375 1.35
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index -1.32
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.22 1.117 0.25
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.59
Carcass Weight (kg) -2.65 -0.528 1.40
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 7.33

* Based on an €80/tonne carbon price