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 2.93
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.51 -0.375 0.19
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 1.31
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index 0.41
Carcass Weight (kg) -3.15 -0.528 1.66
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.96
Live WT (kg) -22.70 -0.307 6.96
Total Carbon Sub Index 12.35

* Based on an €80/tonne carbon price