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 3.40
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 4.24
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -1.78
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 8.41 -0.432 -3.63
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 13.67

* Based on an €80/tonne carbon price