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 5.58
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 1.84
Calving Interval (days) -0.77 -1.459 1.12
Survival (%) 0.64 1.117 0.72
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.03
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price