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 2.68
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -2.44 -0.375 0.91
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 2.19
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.83
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.57 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 16.28

* Based on an €80/tonne carbon price