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 3.79
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 1.19
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) -0.53 1.117 -0.59
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 0.27
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 8.32

* Based on an €80/tonne carbon price