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 4.71
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 7.27
Calving Interval (days) -4.35 -1.459 6.35
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index -0.27
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 14.43

* Based on an €80/tonne carbon price