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 4.18
Milk (kg) -140.00 -0.014 1.96
Fat (kg) 0.99 -0.375 -0.37
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index -0.84
Calving Interval (days) 0.23 -1.459 -0.34
Survival (%) -0.45 1.117 -0.50
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.44
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 4.74

* Based on an €80/tonne carbon price