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 0.88
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -1.02 -0.441 0.45
Fertility Sub Index 1.33
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.42
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price