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 11.66
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -12.21 -0.375 4.57
Prot (kg) -8.89 -0.441 3.92
Fertility Sub Index 0.44
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.12
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.82 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 20.53

* Based on an €80/tonne carbon price