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 4.69
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.55 -0.375 0.96
Prot (kg) -4.15 -0.441 1.83
Fertility Sub Index 2.73
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.42
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 18.11

* Based on an €80/tonne carbon price