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 22.42
Milk (kg) -421.00 -0.014 5.89
Fat (kg) -20.54 -0.375 7.69
Prot (kg) -20.01 -0.441 8.83
Fertility Sub Index -0.05
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) -2.64 1.117 -2.95
Calving Sub Index -3.52
Gestation Length (days) 3.83 -0.919 -3.52
Beef Sub Index 2.32
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -3.17 -0.432 1.37
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 24.05

* Based on an €80/tonne carbon price