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 2.45
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index -1.36
Calving Interval (days) 1.59 -1.459 -2.32
Survival (%) 0.86 1.117 0.96
Calving Sub Index -1.98
Gestation Length (days) 2.15 -0.919 -1.98
Beef Sub Index 1.97
Carcass Weight (kg) -5.20 -0.528 2.74
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 6.78

* Based on an €80/tonne carbon price