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 5.81
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -5.18 -0.375 1.94
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index -6.05
Calving Interval (days) 3.36 -1.459 -4.90
Survival (%) -1.03 1.117 -1.15
Calving Sub Index 2.25
Gestation Length (days) -2.45 -0.919 2.25
Beef Sub Index -0.50
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 1.97

* Based on an €80/tonne carbon price