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 3.39
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.47 -0.375 0.93
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 1.10
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.38 1.117 0.42
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.00
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.93 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 13.52

* Based on an €80/tonne carbon price