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 6.83
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -5.46 -0.375 2.05
Prot (kg) -5.47 -0.441 2.41
Fertility Sub Index 0.75
Calving Interval (days) -0.47 -1.459 0.69
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.11
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 9.24

* Based on an €80/tonne carbon price