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 6.32
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -6.98 -0.375 2.61
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 1.64
Calving Interval (days) -0.92 -1.459 1.34
Survival (%) 0.27 1.117 0.30
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.85
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 17.91

* Based on an €80/tonne carbon price