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 3.11
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -2.49 -0.375 0.93
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index -1.52
Calving Interval (days) 0.75 -1.459 -1.09
Survival (%) -0.38 1.117 -0.42
Calving Sub Index -0.50
Gestation Length (days) 0.54 -0.919 -0.50
Beef Sub Index 0.52
Carcass Weight (kg) -1.55 -0.528 0.82
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.58
Live WT (kg) -5.15 -0.307 1.58
Total Carbon Sub Index 3.18

* Based on an €80/tonne carbon price