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 4.47
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.78 -0.375 1.42
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 1.22
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.35 1.117 0.39
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.77
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.55 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 16.18

* Based on an €80/tonne carbon price