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 4.83
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index -2.62
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) -0.67 1.117 -0.75
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.15
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 3.77

* Based on an €80/tonne carbon price