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 1.27
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 0.92
Calving Interval (days) -0.93 -1.459 1.36
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index -0.23
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 4.72

* Based on an €80/tonne carbon price