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 4.79
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 1.19
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) 0.20 1.117 0.22
Calving Sub Index 0.37
Gestation Length (days) -0.40 -0.919 0.37
Beef Sub Index 0.08
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.87 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price