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 3.55
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -5.06 -0.375 1.90
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index -0.78
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) -1.05 1.117 -1.17
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.16
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 4.54

* Based on an €80/tonne carbon price