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 2.78
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index -10.64
Calving Interval (days) 5.27 -1.459 -7.69
Survival (%) -2.64 1.117 -2.95
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.33
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index -7.12

* Based on an €80/tonne carbon price