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 2.71
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -3.85 -0.375 1.44
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 4.02
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 2.50 1.117 2.79
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -2.37
Carcass Weight (kg) 3.40 -0.528 -1.79
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index -0.77
Live WT (kg) 2.50 -0.307 -0.77
Total Carbon Sub Index 3.04

* Based on an €80/tonne carbon price