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 7.21
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -6.83 -0.441 3.01
Fertility Sub Index -2.00
Calving Interval (days) 0.61 -1.459 -0.89
Survival (%) -0.99 1.117 -1.11
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index -1.06
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 7.36

* Based on an €80/tonne carbon price