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 6.92
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -8.30 -0.375 3.11
Prot (kg) -5.36 -0.441 2.37
Fertility Sub Index 0.75
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) 0.42 1.117 0.47
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.73
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 1.37 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 18.21

* Based on an €80/tonne carbon price