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 4.15
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index -0.14
Calving Interval (days) 0.06 -1.459 -0.09
Survival (%) -0.05 1.117 -0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.60
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 15.19

* Based on an €80/tonne carbon price