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 6.12
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index -0.13
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.16 1.117 0.18
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.90
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -0.85 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 16.89

* Based on an €80/tonne carbon price