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 2.19
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index 8.72
Calving Interval (days) -5.71 -1.459 8.33
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index -0.14
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 13.32

* Based on an €80/tonne carbon price