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 2.53
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -0.81 -0.375 0.30
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 1.03
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.33 1.117 0.37
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.00
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 13.10

* Based on an €80/tonne carbon price