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 3.09
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 1.58
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.94
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.45 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 16.56

* Based on an €80/tonne carbon price