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 19.56
Milk (kg) -431.00 -0.014 6.03
Fat (kg) -17.89 -0.375 6.70
Prot (kg) -15.46 -0.441 6.82
Fertility Sub Index 6.94
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.79 1.117 0.88
Calving Sub Index -0.36
Gestation Length (days) 0.39 -0.919 -0.36
Beef Sub Index -1.00
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 26.95

* Based on an €80/tonne carbon price