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 2.26
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index -0.78
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -0.29 1.117 -0.32
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 3.07

* Based on an €80/tonne carbon price