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 2.57
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -2.37 -0.375 0.89
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index -1.20
Calving Interval (days) 0.58 -1.459 -0.85
Survival (%) -0.32 1.117 -0.36
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.85
Carcass Weight (kg) -1.75 -0.528 0.92
Age of Slaughter (days) 0.17 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 1.85
Live WT (kg) -6.05 -0.307 1.85
Total Carbon Sub Index 3.52

* Based on an €80/tonne carbon price