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 7.40
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -9.71 -0.375 3.64
Prot (kg) -5.55 -0.441 2.45
Fertility Sub Index 5.52
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.10
Gestation Length (days) 0.11 -0.919 -0.10
Beef Sub Index 1.59
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) -1.36 -0.432 0.59
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 17.35

* Based on an €80/tonne carbon price