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 3.15
Milk (kg) -154.00 -0.014 2.16
Fat (kg) 2.29 -0.375 -0.86
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 3.90
Calving Interval (days) -2.05 -1.459 2.99
Survival (%) 0.81 1.117 0.90
Calving Sub Index 1.31
Gestation Length (days) -1.42 -0.919 1.31
Beef Sub Index 0.29
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 13.67

* Based on an €80/tonne carbon price