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 7.75
Milk (kg) -320.00 -0.014 4.48
Fat (kg) -0.41 -0.375 0.15
Prot (kg) -7.07 -0.441 3.12
Fertility Sub Index -0.75
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 1.57
Gestation Length (days) -1.71 -0.919 1.57
Beef Sub Index 4.19
Carcass Weight (kg) -10.60 -0.528 5.59
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 15.83

* Based on an €80/tonne carbon price