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 5.31
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -5.27 -0.441 2.33
Fertility Sub Index -1.49
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -0.80 1.117 -0.89
Calving Sub Index 0.32
Gestation Length (days) -0.35 -0.919 0.32
Beef Sub Index 0.75
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 1.56
Live WT (kg) -5.10 -0.307 1.56
Total Carbon Sub Index 6.45

* Based on an €80/tonne carbon price