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 3.68
Milk (kg) -162.00 -0.014 2.27
Fat (kg) 1.86 -0.375 -0.70
Prot (kg) -4.77 -0.441 2.11
Fertility Sub Index 6.01
Calving Interval (days) -3.58 -1.459 5.22
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index 0.89
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 15.53

* Based on an €80/tonne carbon price