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 2.16
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -2.20 -0.441 0.97
Fertility Sub Index -2.65
Calving Interval (days) 1.29 -1.459 -1.88
Survival (%) -0.69 1.117 -0.77
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.78
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.27 -0.432 -0.12
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 1.60

* Based on an €80/tonne carbon price