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 1.01
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.29 1.117 0.32
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.68
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -2.41 -0.432 1.04
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 16.61

* Based on an €80/tonne carbon price