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 1.52
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -0.49 -0.441 0.22
Fertility Sub Index 2.34
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.89
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 6.26

* Based on an €80/tonne carbon price