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 5.03
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -4.05 -0.375 1.52
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index -0.53
Calving Interval (days) 0.57 -1.459 -0.83
Survival (%) 0.27 1.117 0.30
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.66
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 13.92

* Based on an €80/tonne carbon price