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 10.00
Milk (kg) -263.00 -0.014 3.68
Fat (kg) -6.20 -0.375 2.32
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index -1.71
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 0.14 1.117 0.16
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -2.12
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 8.83 -0.432 -3.81
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 13.78

* Based on an €80/tonne carbon price