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 3.20
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index -1.07
Calving Interval (days) 0.62 -1.459 -0.90
Survival (%) -0.15 1.117 -0.17
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.01
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 13.24

* Based on an €80/tonne carbon price