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 2.98
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -2.07 -0.441 0.91
Fertility Sub Index 4.20
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 1.00 1.117 1.12
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.87
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 16.67

* Based on an €80/tonne carbon price