Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 5.09
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 1.99
Calving Interval (days) -0.91 -1.459 1.33
Survival (%) 0.59 1.117 0.66
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.32
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.21 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 19.41

* Based on an €80/tonne carbon price