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 1.04
Milk (kg) -43.00 -0.014 0.60
Fat (kg) -2.21 -0.375 0.83
Prot (kg) 0.89 -0.441 -0.39
Fertility Sub Index -0.31
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) -0.25 1.117 -0.28
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.82
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 11.34

* Based on an €80/tonne carbon price