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 8.48
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -7.13 -0.375 2.67
Prot (kg) -7.83 -0.441 3.46
Fertility Sub Index 2.09
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.50 1.117 0.56
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.16
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price