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 4.60
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -2.79 -0.375 1.05
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index -2.60
Calving Interval (days) 1.11 -1.459 -1.62
Survival (%) -0.88 1.117 -0.98
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.00
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.38 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 4.68

* Based on an €80/tonne carbon price