Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -16.16
Milk (kg) -2.00 -0.014 0.03
Fat (kg) 22.81 -0.375 -8.54
Prot (kg) 17.32 -0.441 -7.64
Fertility Sub Index -0.16
Calving Interval (days) 0.03 -1.459 -0.04
Survival (%) -0.10 1.117 -0.11
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 2.30
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index -7.07

* Based on an €80/tonne carbon price