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 3.86
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -4.37 -0.441 1.93
Fertility Sub Index 2.59
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index 1.69
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 10.77

* Based on an €80/tonne carbon price