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 13.59
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -16.68 -0.375 6.25
Prot (kg) -11.05 -0.441 4.88
Fertility Sub Index 2.17
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 2.74
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) -1.33 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 20.49

* Based on an €80/tonne carbon price