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 6.20
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -5.21 -0.375 1.95
Prot (kg) -4.81 -0.441 2.12
Fertility Sub Index 7.13
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.96
Gestation Length (days) -1.04 -0.919 0.96
Beef Sub Index 3.22
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 22.29

* Based on an €80/tonne carbon price