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 3.61
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.89 -0.375 0.71
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 2.05
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 0.70 1.117 0.78
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 0.53
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 7.74

* Based on an €80/tonne carbon price