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 6.51
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -6.77 -0.375 2.54
Prot (kg) -5.90 -0.441 2.60
Fertility Sub Index -3.19
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) -1.22 1.117 -1.36
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.31
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 5.08

* Based on an €80/tonne carbon price