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 2.78
Milk (kg) -82.00 -0.014 1.15
Fat (kg) 0.59 -0.375 -0.22
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 0.04
Calving Interval (days) 0.00 -1.459 0.00
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index 0.36
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 3.17

* Based on an €80/tonne carbon price