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 4.18
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) -4.26 -0.375 1.60
Prot (kg) -6.36 -0.441 2.81
Fertility Sub Index -0.96
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) -0.22 1.117 -0.25
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index 0.22
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index 2.83

* Based on an €80/tonne carbon price