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 22.51
Milk (kg) -379.00 -0.014 5.31
Fat (kg) -23.12 -0.375 8.66
Prot (kg) -19.37 -0.441 8.55
Fertility Sub Index 6.68
Calving Interval (days) -3.96 -1.459 5.78
Survival (%) 0.81 1.117 0.90
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 1.05
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.86 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 35.21

* Based on an €80/tonne carbon price