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 4.16
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.19 -0.375 0.82
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 4.31
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.74 1.117 1.94
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index -0.93
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 4.71 -0.432 -2.03
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 10.39

* Based on an €80/tonne carbon price