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 2.59
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -0.13 -0.375 0.05
Prot (kg) -0.88 -0.441 0.39
Fertility Sub Index 0.05
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index -0.15
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 4.17

* Based on an €80/tonne carbon price