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 11.48
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -3.53 -0.375 1.32
Prot (kg) -11.76 -0.441 5.19
Fertility Sub Index -1.71
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.32
Gestation Length (days) 0.35 -0.919 -0.32
Beef Sub Index 0.27
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 12.27

* Based on an €80/tonne carbon price