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 2.69
Milk (kg) -110.00 -0.014 1.54
Fat (kg) 0.16 -0.375 -0.06
Prot (kg) -2.75 -0.441 1.21
Fertility Sub Index -0.87
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.45
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 3.65

* Based on an €80/tonne carbon price