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 3.93
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -3.94 -0.375 1.48
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index 1.05
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.18
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 6.21

* Based on an €80/tonne carbon price