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 6.27
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -5.64 -0.375 2.11
Prot (kg) -6.81 -0.441 3.01
Fertility Sub Index -10.87
Calving Interval (days) 5.52 -1.459 -8.05
Survival (%) -2.52 1.117 -2.82
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.37
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -3.28

* Based on an €80/tonne carbon price