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 15.50
Milk (kg) -330.00 -0.014 4.62
Fat (kg) -13.00 -0.375 4.87
Prot (kg) -13.62 -0.441 6.01
Fertility Sub Index 5.55
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 1.38 1.117 1.54
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.32
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -3.30 -0.432 1.42
Maintenance Sub Index Maint. Sub Index 6.93
Live WT (kg) -22.60 -0.307 6.93
Total Carbon Sub Index 36.28

* Based on an €80/tonne carbon price