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 5.20
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index 0.14
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 0.18 1.117 0.20
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 0.58
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 18.03

* Based on an €80/tonne carbon price