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 4.89
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -4.40 -0.375 1.65
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 2.32
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.57
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 16.39

* Based on an €80/tonne carbon price