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 9.47
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -12.60 -0.375 4.72
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index 2.03
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) -0.14 1.117 -0.16
Calving Sub Index 2.44
Gestation Length (days) -2.65 -0.919 2.44
Beef Sub Index 0.30
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) -3.27 -0.432 1.41
Maintenance Sub Index Maint. Sub Index -1.66
Live WT (kg) 5.40 -0.307 -1.66
Total Carbon Sub Index 12.59

* Based on an €80/tonne carbon price