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 11.18
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -13.50 -0.375 5.06
Prot (kg) -9.09 -0.441 4.01
Fertility Sub Index -1.78
Calving Interval (days) 1.03 -1.459 -1.50
Survival (%) -0.25 1.117 -0.28
Calving Sub Index -1.76
Gestation Length (days) 1.92 -0.919 -1.76
Beef Sub Index -1.64
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 4.53 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 9.65

* Based on an €80/tonne carbon price