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 -5.03
Milk (kg) 97.00 -0.014 -1.36
Fat (kg) 6.10 -0.375 -2.28
Prot (kg) 3.15 -0.441 -1.39
Fertility Sub Index -0.40
Calving Interval (days) 0.12 -1.459 -0.18
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index -5.18

* Based on an €80/tonne carbon price