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 4.35
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index -0.48
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 0.05 1.117 0.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.29
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 4.46 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 12.21

* Based on an €80/tonne carbon price