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 2.49
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 0.86
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.92
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.04 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 2.41
Live WT (kg) -7.85 -0.307 2.41
Total Carbon Sub Index 6.21

* Based on an €80/tonne carbon price