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 7.05
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -6.78 -0.375 2.54
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 2.82
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 0.41 1.117 0.46
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.70
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.32

* Based on an €80/tonne carbon price