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 17.03
Milk (kg) -850.00 -0.014 11.90
Fat (kg) 1.89 -0.375 -0.71
Prot (kg) -13.22 -0.441 5.83
Fertility Sub Index 3.40
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 1.59 1.117 1.78
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 4.75
Carcass Weight (kg) -15.90 -0.528 8.39
Age of Slaughter (days) 8.43 -0.432 -3.64
Maintenance Sub Index Maint. Sub Index 14.62
Live WT (kg) -47.70 -0.307 14.62
Total Carbon Sub Index 40.62

* Based on an €80/tonne carbon price