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 1.00
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -0.93 -0.375 0.35
Prot (kg) -1.06 -0.441 0.47
Fertility Sub Index 5.67
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.20
Gestation Length (days) -0.22 -0.919 0.20
Beef Sub Index -0.13
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 9.20

* Based on an €80/tonne carbon price