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 5.28
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -10.65 -0.375 3.99
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index -2.32
Calving Interval (days) 0.98 -1.459 -1.43
Survival (%) -0.80 1.117 -0.89
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index -0.62
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 4.00 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 3.96

* Based on an €80/tonne carbon price