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 2.27
Milk (kg) -68.00 -0.014 0.95
Fat (kg) -1.72 -0.375 0.64
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index -0.32
Calving Interval (days) 0.55 -1.459 -0.80
Survival (%) 0.43 1.117 0.48
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.40
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 2.92

* Based on an €80/tonne carbon price