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 5.26
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -4.79 -0.441 2.11
Fertility Sub Index 0.68
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.90
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.72
Live WT (kg) -15.40 -0.307 4.72
Total Carbon Sub Index 15.26

* Based on an €80/tonne carbon price