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 3.47
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 1.91
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.57 1.117 0.64
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.82 -0.432 0.79
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 16.70

* Based on an €80/tonne carbon price