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 8.37
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -6.12 -0.375 2.29
Prot (kg) -9.65 -0.441 4.26
Fertility Sub Index -1.29
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.83
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 4.55 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 8.77

* Based on an €80/tonne carbon price