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 3.48
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -0.03 -0.375 0.01
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index -0.20
Calving Interval (days) 0.22 -1.459 -0.32
Survival (%) 0.11 1.117 0.12
Calving Sub Index 0.05
Gestation Length (days) -0.05 -0.919 0.05
Beef Sub Index -0.72
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 4.61 -0.432 -1.99
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 6.65

* Based on an €80/tonne carbon price