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 4.16
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -3.01 -0.375 1.13
Prot (kg) -3.74 -0.441 1.65
Fertility Sub Index 2.24
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.18
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.01 -0.432 0.44
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 18.74

* Based on an €80/tonne carbon price