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 2.32
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -2.33 -0.375 0.87
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 1.01
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 5.18

* Based on an €80/tonne carbon price