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 8.18
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -7.11 -0.375 2.66
Prot (kg) -7.30 -0.441 3.22
Fertility Sub Index -1.30
Calving Interval (days) 0.60 -1.459 -0.88
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 2.08
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 19.05

* Based on an €80/tonne carbon price