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 15.18
Milk (kg) -322.00 -0.014 4.51
Fat (kg) -15.25 -0.375 5.71
Prot (kg) -11.24 -0.441 4.96
Fertility Sub Index 6.45
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.35 1.117 0.39
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 1.37
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -1.09 -0.432 0.47
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 24.62

* Based on an €80/tonne carbon price