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 2.83
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -2.25 -0.375 0.84
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index 4.81
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 0.69 1.117 0.77
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.05
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 15.69

* Based on an €80/tonne carbon price