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 18.47
Milk (kg) -327.00 -0.014 4.58
Fat (kg) -18.27 -0.375 6.84
Prot (kg) -15.96 -0.441 7.04
Fertility Sub Index 3.87
Calving Interval (days) -2.01 -1.459 2.93
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.02
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 23.70

* Based on an €80/tonne carbon price