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 3.32
Milk (kg) -159.00 -0.014 2.23
Fat (kg) 1.58 -0.375 -0.59
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 3.64
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.17 1.117 1.31
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.89
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 17.41

* Based on an €80/tonne carbon price