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 9.36
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -6.71 -0.375 2.51
Prot (kg) -10.19 -0.441 4.50
Fertility Sub Index 0.83
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) 0.94 1.117 1.05
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.16
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 12.10

* Based on an €80/tonne carbon price