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 -1.29
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 1.99 -0.375 -0.75
Prot (kg) 0.34 -0.441 -0.15
Fertility Sub Index -0.14
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.10 1.117 -0.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.19
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index -1.31

* Based on an €80/tonne carbon price