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 4.81
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -3.60 -0.375 1.35
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index 3.77
Calving Interval (days) -1.93 -1.459 2.82
Survival (%) 0.85 1.117 0.95
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.00
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -3.40 -0.432 1.47
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 22.79

* Based on an €80/tonne carbon price