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 4.93
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.31 -0.375 1.61
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index 1.73
Calving Interval (days) -0.68 -1.459 0.99
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.52
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.68 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 19.40

* Based on an €80/tonne carbon price