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 2.72
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.71 -0.375 1.02
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 1.47
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.60 1.117 0.67
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.88
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -2.75 -0.432 1.19
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 16.31

* Based on an €80/tonne carbon price