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 4.34
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index 0.70
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.22 1.117 0.25
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 0.87
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 15.33

* Based on an €80/tonne carbon price