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 2.96
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -2.77 -0.441 1.22
Fertility Sub Index -0.81
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.74 1.117 -0.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index -0.34
Live WT (kg) 1.10 -0.307 -0.34
Total Carbon Sub Index 1.04

* Based on an €80/tonne carbon price