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 2.65
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -2.40 -0.375 0.90
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 1.22
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.41 1.117 0.46
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.19
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.48 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 14.21

* Based on an €80/tonne carbon price