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 4.13
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -4.84 -0.375 1.81
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index -0.18
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 0.02
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 4.83 -0.432 -2.09
Maintenance Sub Index Maint. Sub Index -0.89
Live WT (kg) 2.90 -0.307 -0.89
Total Carbon Sub Index 3.33

* Based on an €80/tonne carbon price