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 10.48
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -10.91 -0.375 4.09
Prot (kg) -9.07 -0.441 4.00
Fertility Sub Index 2.20
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.60 1.117 0.67
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.07
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -0.04 -0.432 0.02
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 24.96

* Based on an €80/tonne carbon price