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 3.80
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -6.19 -0.375 2.32
Prot (kg) -1.07 -0.441 0.47
Fertility Sub Index -1.15
Calving Interval (days) 1.15 -1.459 -1.68
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.20
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 11.40

* Based on an €80/tonne carbon price