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 2.26
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -2.12 -0.441 0.94
Fertility Sub Index -3.47
Calving Interval (days) 1.55 -1.459 -2.26
Survival (%) -1.08 1.117 -1.21
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.19
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 0.39

* Based on an €80/tonne carbon price