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 4.11
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -0.96 -0.375 0.36
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index -2.36
Calving Interval (days) 1.02 -1.459 -1.49
Survival (%) -0.78 1.117 -0.87
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.06
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.25 -0.432 -1.83
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 10.81

* Based on an €80/tonne carbon price