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 3.74
Milk (kg) -186.00 -0.014 2.60
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -0.11 -0.441 0.05
Fertility Sub Index 5.79
Calving Interval (days) -3.40 -1.459 4.96
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.60
Gestation Length (days) -1.74 -0.919 1.60
Beef Sub Index -0.93
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index 9.67

* Based on an €80/tonne carbon price