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 2.58
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 0.42
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) 0.13 1.117 0.15
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.04
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.75 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 12.98

* Based on an €80/tonne carbon price