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 4.52
Milk (kg) -314.00 -0.014 4.40
Fat (kg) 1.22 -0.375 -0.46
Prot (kg) -1.32 -0.441 0.58
Fertility Sub Index 0.46
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 2.66
Gestation Length (days) -2.89 -0.919 2.66
Beef Sub Index 2.85
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) 2.68 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 15.09

* Based on an €80/tonne carbon price