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 3.17
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index 0.85
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.36 1.117 0.40
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.04
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 13.44

* Based on an €80/tonne carbon price