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) -79.00 -0.014 1.11
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -4.21 -0.441 1.86
Fertility Sub Index 4.71
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) 2.40 1.117 2.68
Calving Sub Index -0.78
Gestation Length (days) 0.85 -0.919 -0.78
Beef Sub Index 1.34
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) -5.79 -0.432 2.50
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 9.03

* Based on an €80/tonne carbon price