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 10.00
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -10.94 -0.375 4.10
Prot (kg) -9.09 -0.441 4.01
Fertility Sub Index -1.26
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) -1.32 1.117 -1.47
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 1.42
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 14.22

* Based on an €80/tonne carbon price