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 10.27
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -9.86 -0.375 3.69
Prot (kg) -8.91 -0.441 3.93
Fertility Sub Index 6.08
Calving Interval (days) -3.89 -1.459 5.68
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 0.00
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 2.82
Live WT (kg) -9.20 -0.307 2.82
Total Carbon Sub Index 20.37

* Based on an €80/tonne carbon price