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 3.47
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -1.82 -0.375 0.68
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index -2.74
Calving Interval (days) 1.35 -1.459 -1.97
Survival (%) -0.69 1.117 -0.77
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.45
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.43 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 8.44

* Based on an €80/tonne carbon price