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 4.21
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.84 -0.375 1.81
Prot (kg) -2.89 -0.441 1.28
Fertility Sub Index -7.86
Calving Interval (days) 3.85 -1.459 -5.62
Survival (%) -2.01 1.117 -2.25
Calving Sub Index -1.71
Gestation Length (days) 1.86 -0.919 -1.71
Beef Sub Index 4.65
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) -4.55 -0.432 1.96
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 2.08

* Based on an €80/tonne carbon price