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 2.70
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -0.31 -0.375 0.12
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index -0.16
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.35
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price