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 10.75
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -14.83 -0.375 5.55
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 0.37
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) 0.25 1.117 0.28
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.85
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.82 -0.432 1.22
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 24.35

* Based on an €80/tonne carbon price