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 5.90
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -5.60 -0.441 2.47
Fertility Sub Index 2.18
Calving Interval (days) -1.64 -1.459 2.39
Survival (%) -0.19 1.117 -0.21
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 0.77
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -0.07 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 11.29

* Based on an €80/tonne carbon price