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 13.80
Milk (kg) -311.00 -0.014 4.35
Fat (kg) -15.06 -0.375 5.64
Prot (kg) -8.63 -0.441 3.81
Fertility Sub Index -1.77
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -1.05 1.117 -1.17
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 1.82
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -4.33 -0.432 1.87
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price