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 2.98
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -1.95 -0.375 0.73
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index 2.93
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 0.67
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -2.05 -0.432 0.88
Maintenance Sub Index Maint. Sub Index 0.34
Live WT (kg) -1.10 -0.307 0.34
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price