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 0.77
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -0.27 -0.441 0.12
Fertility Sub Index -0.45
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 1.23 1.117 1.37
Calving Sub Index -0.59
Gestation Length (days) 0.64 -0.919 -0.59
Beef Sub Index -1.83
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 7.41 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 3.88

* Based on an €80/tonne carbon price