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 7.22
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -5.60 -0.375 2.10
Prot (kg) -6.51 -0.441 2.87
Fertility Sub Index -0.16
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index -0.77
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 4.96 -0.432 -2.14
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 11.04

* Based on an €80/tonne carbon price