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 0.89
Milk (kg) -19.00 -0.014 0.27
Fat (kg) -0.74 -0.375 0.28
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 1.54
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.23 1.117 0.26
Calving Sub Index -0.09
Gestation Length (days) 0.10 -0.919 -0.09
Beef Sub Index 2.52
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -2.67 -0.432 1.15
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 11.27

* Based on an €80/tonne carbon price