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 6.79
Milk (kg) -193.00 -0.014 2.70
Fat (kg) -4.11 -0.375 1.54
Prot (kg) -5.78 -0.441 2.55
Fertility Sub Index 2.28
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 0.94
Carcass Weight (kg) -4.15 -0.528 2.19
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 7.51
Live WT (kg) -24.50 -0.307 7.51
Total Carbon Sub Index 18.30

* Based on an €80/tonne carbon price