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 6.63
Milk (kg) -122.00 -0.014 1.71
Fat (kg) -4.08 -0.375 1.53
Prot (kg) -7.70 -0.441 3.40
Fertility Sub Index -3.33
Calving Interval (days) 1.65 -1.459 -2.41
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index -0.27
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.81 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price