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 6.82
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -8.11 -0.375 3.04
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 0.54
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 2.22
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -0.62 -0.432 0.27
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 12.71

* Based on an €80/tonne carbon price