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 6.75
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -8.18 -0.375 3.06
Prot (kg) -3.00 -0.441 1.32
Fertility Sub Index -0.13
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) -0.51 1.117 -0.57
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.06
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) -3.06 -0.432 1.32
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 13.71

* Based on an €80/tonne carbon price