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 9.08
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -9.61 -0.375 3.60
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 1.89
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.53
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 0.73 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 22.11

* Based on an €80/tonne carbon price