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 3.07
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index -2.18
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 2.10
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.95 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 12.40

* Based on an €80/tonne carbon price