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 2.29
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -2.08 -0.441 0.92
Fertility Sub Index 0.50
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.90 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 4.34

* Based on an €80/tonne carbon price