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 3.31
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 1.76 -0.375 -0.66
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index 1.03
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.03 1.117 0.03
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.28
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.54 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 7.76

* Based on an €80/tonne carbon price