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 1.21
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -0.72 -0.375 0.27
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 3.24
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 0.30 1.117 0.34
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -2.89
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 5.84 -0.432 -2.52
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 6.29

* Based on an €80/tonne carbon price