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 2.43
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -1.79 -0.375 0.67
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index -0.90
Calving Interval (days) 0.63 -1.459 -0.92
Survival (%) 0.02 1.117 0.02
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index -0.73
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 6.17

* Based on an €80/tonne carbon price