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 3.04
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -0.85 -0.441 0.38
Fertility Sub Index -0.19
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) 0.42 1.117 0.47
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.10
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 11.32

* Based on an €80/tonne carbon price