Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.50
Milk (kg) -44.00 -0.014 0.62
Fat (kg) 1.10 -0.375 -0.41
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 0.96
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.08 1.117 0.09
Calving Sub Index -1.31
Gestation Length (days) 1.43 -0.919 -1.31
Beef Sub Index 0.04
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 3.31

* Based on an €80/tonne carbon price