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 2.20
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -1.77 -0.375 0.66
Prot (kg) -1.64 -0.441 0.72
Fertility Sub Index 1.84
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.84 1.117 0.94
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.99
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -2.90 -0.432 1.25
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 16.16

* Based on an €80/tonne carbon price