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 4.45
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index -0.80
Calving Interval (days) 0.89 -1.459 -1.30
Survival (%) 0.45 1.117 0.50
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.01
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.96 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 13.02

* Based on an €80/tonne carbon price