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 1.81
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 1.47 -0.375 -0.55
Prot (kg) -1.83 -0.441 0.81
Fertility Sub Index -0.28
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) 0.27 1.117 0.30
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.31
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.62 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 2.34

* Based on an €80/tonne carbon price