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 3.30
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -2.31 -0.375 0.87
Prot (kg) -2.18 -0.441 0.96
Fertility Sub Index 3.55
Calving Interval (days) -1.83 -1.459 2.67
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.48
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 15.97

* Based on an €80/tonne carbon price