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 20.74
Milk (kg) -322.00 -0.014 4.51
Fat (kg) -23.81 -0.375 8.92
Prot (kg) -16.57 -0.441 7.31
Fertility Sub Index 7.31
Calving Interval (days) -4.65 -1.459 6.78
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 4.77
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) -3.48 -0.432 1.50
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 35.93

* Based on an €80/tonne carbon price