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 6.60
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.78 -0.375 1.42
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 6.00
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.01
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 16.37

* Based on an €80/tonne carbon price