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 3.82
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 7.84
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) 1.27 1.117 1.42
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.52
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 4.41
Live WT (kg) -14.40 -0.307 4.41
Total Carbon Sub Index 20.40

* Based on an €80/tonne carbon price