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 2.42
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index 0.46
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.79
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 2.01
Live WT (kg) -6.55 -0.307 2.01
Total Carbon Sub Index 5.28

* Based on an €80/tonne carbon price